Home / 62,729.62-86,583.47-38,842.72

Finding the Fourth Proportional to 62,729.62, 86,583.47 and 38,842.72

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Solution

The fourth proportional to 62,729.62, 86,583.47 and 38,842.72 is: 53,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,729.62 : 86,583.47 = 38,842.72 : x
  2. Step 2: Convert to fraction form
    62,729.62/86,583.47 = 38,842.72/x
  3. Step 3: Cross multiply
    62,729.62x = 86,583.47 × 38,842.72
  4. Step 4: Simplify right side
    62,729.62x = 3,363,137,071.17
  5. Step 5: Solve for x
    x = 3,363,137,071.17/62,729.62
  6. Step 6: Final answer
    x = 53,613.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.