Home / 56,865.47-85,298.21-55,310.27

Finding the Fourth Proportional to 56,865.47, 85,298.21 and 55,310.27

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Solution

The fourth proportional to 56,865.47, 85,298.21 and 55,310.27 is: 82,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865.47 : 85,298.21 = 55,310.27 : x
  2. Step 2: Convert to fraction form
    56,865.47/85,298.21 = 55,310.27/x
  3. Step 3: Cross multiply
    56,865.47x = 85,298.21 × 55,310.27
  4. Step 4: Simplify right side
    56,865.47x = 4,717,866,749.07
  5. Step 5: Solve for x
    x = 4,717,866,749.07/56,865.47
  6. Step 6: Final answer
    x = 82,965.41

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.