Home / 91,958.08-126,898.10-53,721.17

Finding the Fourth Proportional to 91,958.08, 126,898.10 and 53,721.17

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Solution

The fourth proportional to 91,958.08, 126,898.10 and 53,721.17 is: 74,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,958.08 : 126,898.10 = 53,721.17 : x
  2. Step 2: Convert to fraction form
    91,958.08/126,898.10 = 53,721.17/x
  3. Step 3: Cross multiply
    91,958.08x = 126,898.10 × 53,721.17
  4. Step 4: Simplify right side
    91,958.08x = 6,817,114,402.78
  5. Step 5: Solve for x
    x = 6,817,114,402.78/91,958.08
  6. Step 6: Final answer
    x = 74,132.85

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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.