Home / 102,558.12-141,537.32-57,244.92

Finding the Fourth Proportional to 102,558.12, 141,537.32 and 57,244.92

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Solution

The fourth proportional to 102,558.12, 141,537.32 and 57,244.92 is: 79,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.12 : 141,537.32 = 57,244.92 : x
  2. Step 2: Convert to fraction form
    102,558.12/141,537.32 = 57,244.92/x
  3. Step 3: Cross multiply
    102,558.12x = 141,537.32 × 57,244.92
  4. Step 4: Simplify right side
    102,558.12x = 8,102,292,560.41
  5. Step 5: Solve for x
    x = 8,102,292,560.41/102,558.12
  6. Step 6: Final answer
    x = 79,001.96

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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.