Home / 86,331.29-119,142.65-52,343.03

Finding the Fourth Proportional to 86,331.29, 119,142.65 and 52,343.03

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Solution

The fourth proportional to 86,331.29, 119,142.65 and 52,343.03 is: 72,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,331.29 : 119,142.65 = 52,343.03 : x
  2. Step 2: Convert to fraction form
    86,331.29/119,142.65 = 52,343.03/x
  3. Step 3: Cross multiply
    86,331.29x = 119,142.65 × 52,343.03
  4. Step 4: Simplify right side
    86,331.29x = 6,236,287,285.16
  5. Step 5: Solve for x
    x = 6,236,287,285.16/86,331.29
  6. Step 6: Final answer
    x = 72,236.70

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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.