Home / 102,855.12-141,882.94-59,829.76

Finding the Fourth Proportional to 102,855.12, 141,882.94 and 59,829.76

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Solution

The fourth proportional to 102,855.12, 141,882.94 and 59,829.76 is: 82,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,855.12 : 141,882.94 = 59,829.76 : x
  2. Step 2: Convert to fraction form
    102,855.12/141,882.94 = 59,829.76/x
  3. Step 3: Cross multiply
    102,855.12x = 141,882.94 × 59,829.76
  4. Step 4: Simplify right side
    102,855.12x = 8,488,822,248.29
  5. Step 5: Solve for x
    x = 8,488,822,248.29/102,855.12
  6. Step 6: Final answer
    x = 82,531.84

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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.