Home / 97,555.29-134,586.45-77,331

Finding the Fourth Proportional to 97,555.29, 134,586.45 and 77,331

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Solution

The fourth proportional to 97,555.29, 134,586.45 and 77,331 is: 106,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,555.29 : 134,586.45 = 77,331 : x
  2. Step 2: Convert to fraction form
    97,555.29/134,586.45 = 77,331/x
  3. Step 3: Cross multiply
    97,555.29x = 134,586.45 × 77,331
  4. Step 4: Simplify right side
    97,555.29x = 10,407,704,764.95
  5. Step 5: Solve for x
    x = 10,407,704,764.95/97,555.29
  6. Step 6: Final answer
    x = 106,685.19

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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.