Home / 102,863.12-141,979.63-59,850.92

Finding the Fourth Proportional to 102,863.12, 141,979.63 and 59,850.92

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Solution

The fourth proportional to 102,863.12, 141,979.63 and 59,850.92 is: 82,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,863.12 : 141,979.63 = 59,850.92 : x
  2. Step 2: Convert to fraction form
    102,863.12/141,979.63 = 59,850.92/x
  3. Step 3: Cross multiply
    102,863.12x = 141,979.63 × 59,850.92
  4. Step 4: Simplify right side
    102,863.12x = 8,497,610,827.34
  5. Step 5: Solve for x
    x = 8,497,610,827.34/102,863.12
  6. Step 6: Final answer
    x = 82,610.86

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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.