Home / 102,792-141,868.08-60,373.92

Finding the Fourth Proportional to 102,792, 141,868.08 and 60,373.92

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Solution

The fourth proportional to 102,792, 141,868.08 and 60,373.92 is: 83,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,792 : 141,868.08 = 60,373.92 : x
  2. Step 2: Convert to fraction form
    102,792/141,868.08 = 60,373.92/x
  3. Step 3: Cross multiply
    102,792x = 141,868.08 × 60,373.92
  4. Step 4: Simplify right side
    102,792x = 8,565,132,112.47
  5. Step 5: Solve for x
    x = 8,565,132,112.47/102,792
  6. Step 6: Final answer
    x = 83,324.89

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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.