Home / 71,485.38-98,490.60-52,332.66

Finding the Fourth Proportional to 71,485.38, 98,490.60 and 52,332.66

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Solution

The fourth proportional to 71,485.38, 98,490.60 and 52,332.66 is: 72,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,485.38 : 98,490.60 = 52,332.66 : x
  2. Step 2: Convert to fraction form
    71,485.38/98,490.60 = 52,332.66/x
  3. Step 3: Cross multiply
    71,485.38x = 98,490.60 × 52,332.66
  4. Step 4: Simplify right side
    71,485.38x = 5,154,275,083.00
  5. Step 5: Solve for x
    x = 5,154,275,083.00/71,485.38
  6. Step 6: Final answer
    x = 72,102.51

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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.