Home / 102,335.60-141,213.48-57,008.96

Finding the Fourth Proportional to 102,335.60, 141,213.48 and 57,008.96

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Solution

The fourth proportional to 102,335.60, 141,213.48 and 57,008.96 is: 78,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,335.60 : 141,213.48 = 57,008.96 : x
  2. Step 2: Convert to fraction form
    102,335.60/141,213.48 = 57,008.96/x
  3. Step 3: Cross multiply
    102,335.60x = 141,213.48 × 57,008.96
  4. Step 4: Simplify right side
    102,335.60x = 8,050,433,632.78
  5. Step 5: Solve for x
    x = 8,050,433,632.78/102,335.60
  6. Step 6: Final answer
    x = 78,666.99

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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.