Home / 93,499.13-129,038.13-55,773.38

Finding the Fourth Proportional to 93,499.13, 129,038.13 and 55,773.38

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Solution

The fourth proportional to 93,499.13, 129,038.13 and 55,773.38 is: 76,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,499.13 : 129,038.13 = 55,773.38 : x
  2. Step 2: Convert to fraction form
    93,499.13/129,038.13 = 55,773.38/x
  3. Step 3: Cross multiply
    93,499.13x = 129,038.13 × 55,773.38
  4. Step 4: Simplify right side
    93,499.13x = 7,196,892,013.79
  5. Step 5: Solve for x
    x = 7,196,892,013.79/93,499.13
  6. Step 6: Final answer
    x = 76,972.83

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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.