Home / 102,355.62-141,251.04-59,343.45

Finding the Fourth Proportional to 102,355.62, 141,251.04 and 59,343.45

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Solution

The fourth proportional to 102,355.62, 141,251.04 and 59,343.45 is: 81,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355.62 : 141,251.04 = 59,343.45 : x
  2. Step 2: Convert to fraction form
    102,355.62/141,251.04 = 59,343.45/x
  3. Step 3: Cross multiply
    102,355.62x = 141,251.04 × 59,343.45
  4. Step 4: Simplify right side
    102,355.62x = 8,382,324,029.69
  5. Step 5: Solve for x
    x = 8,382,324,029.69/102,355.62
  6. Step 6: Final answer
    x = 81,894.13

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1.5x scale

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.