Home / 56,720.71-85,081.06-15,166.63

Finding the Fourth Proportional to 56,720.71, 85,081.06 and 15,166.63

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Solution

The fourth proportional to 56,720.71, 85,081.06 and 15,166.63 is: 22,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.71 : 85,081.06 = 15,166.63 : x
  2. Step 2: Convert to fraction form
    56,720.71/85,081.06 = 15,166.63/x
  3. Step 3: Cross multiply
    56,720.71x = 85,081.06 × 15,166.63
  4. Step 4: Simplify right side
    56,720.71x = 1,290,392,957.03
  5. Step 5: Solve for x
    x = 1,290,392,957.03/56,720.71
  6. Step 6: Final answer
    x = 22,749.94

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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.