Home / 102,227.40-141,070.68-56,903.04

Finding the Fourth Proportional to 102,227.40, 141,070.68 and 56,903.04

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Solution

The fourth proportional to 102,227.40, 141,070.68 and 56,903.04 is: 78,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,227.40 : 141,070.68 = 56,903.04 : x
  2. Step 2: Convert to fraction form
    102,227.40/141,070.68 = 56,903.04/x
  3. Step 3: Cross multiply
    102,227.40x = 141,070.68 × 56,903.04
  4. Step 4: Simplify right side
    102,227.40x = 8,027,350,546.87
  5. Step 5: Solve for x
    x = 8,027,350,546.87/102,227.40
  6. Step 6: Final answer
    x = 78,524.45

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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.