Home / 102,920.16-141,997.68-60,480.48

Finding the Fourth Proportional to 102,920.16, 141,997.68 and 60,480.48

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Solution

The fourth proportional to 102,920.16, 141,997.68 and 60,480.48 is: 83,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,920.16 : 141,997.68 = 60,480.48 : x
  2. Step 2: Convert to fraction form
    102,920.16/141,997.68 = 60,480.48/x
  3. Step 3: Cross multiply
    102,920.16x = 141,997.68 × 60,480.48
  4. Step 4: Simplify right side
    102,920.16x = 8,588,087,845.29
  5. Step 5: Solve for x
    x = 8,588,087,845.29/102,920.16
  6. Step 6: Final answer
    x = 83,444.18

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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.