Home / 56,761.34-85,142.16-56,679.33

Finding the Fourth Proportional to 56,761.34, 85,142.16 and 56,679.33

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Solution

The fourth proportional to 56,761.34, 85,142.16 and 56,679.33 is: 85,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.34 : 85,142.16 = 56,679.33 : x
  2. Step 2: Convert to fraction form
    56,761.34/85,142.16 = 56,679.33/x
  3. Step 3: Cross multiply
    56,761.34x = 85,142.16 × 56,679.33
  4. Step 4: Simplify right side
    56,761.34x = 4,825,800,583.55
  5. Step 5: Solve for x
    x = 4,825,800,583.55/56,761.34
  6. Step 6: Final answer
    x = 85,019.15

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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.