Home / 102,748.30-141,802.86-60,305.92

Finding the Fourth Proportional to 102,748.30, 141,802.86 and 60,305.92

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Solution

The fourth proportional to 102,748.30, 141,802.86 and 60,305.92 is: 83,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,748.30 : 141,802.86 = 60,305.92 : x
  2. Step 2: Convert to fraction form
    102,748.30/141,802.86 = 60,305.92/x
  3. Step 3: Cross multiply
    102,748.30x = 141,802.86 × 60,305.92
  4. Step 4: Simplify right side
    102,748.30x = 8,551,551,930.93
  5. Step 5: Solve for x
    x = 8,551,551,930.93/102,748.30
  6. Step 6: Final answer
    x = 83,228.16

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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.