Home / 71,583.23-98,785.05-39,752.15

Finding the Fourth Proportional to 71,583.23, 98,785.05 and 39,752.15

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Solution

The fourth proportional to 71,583.23, 98,785.05 and 39,752.15 is: 54,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,583.23 : 98,785.05 = 39,752.15 : x
  2. Step 2: Convert to fraction form
    71,583.23/98,785.05 = 39,752.15/x
  3. Step 3: Cross multiply
    71,583.23x = 98,785.05 × 39,752.15
  4. Step 4: Simplify right side
    71,583.23x = 3,926,918,125.36
  5. Step 5: Solve for x
    x = 3,926,918,125.36/71,583.23
  6. Step 6: Final answer
    x = 54,858.07

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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.