Home / 96,948.28-133,743.72-56,663.74

Finding the Fourth Proportional to 96,948.28, 133,743.72 and 56,663.74

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Solution

The fourth proportional to 96,948.28, 133,743.72 and 56,663.74 is: 78,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,948.28 : 133,743.72 = 56,663.74 : x
  2. Step 2: Convert to fraction form
    96,948.28/133,743.72 = 56,663.74/x
  3. Step 3: Cross multiply
    96,948.28x = 133,743.72 × 56,663.74
  4. Step 4: Simplify right side
    96,948.28x = 7,578,419,376.71
  5. Step 5: Solve for x
    x = 7,578,419,376.71/96,948.28
  6. Step 6: Final answer
    x = 78,169.71

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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.