Home / 91,531.38-137,191.65-35,346.73

Finding the Fourth Proportional to 91,531.38, 137,191.65 and 35,346.73

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Solution

The fourth proportional to 91,531.38, 137,191.65 and 35,346.73 is: 52,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,531.38 : 137,191.65 = 35,346.73 : x
  2. Step 2: Convert to fraction form
    91,531.38/137,191.65 = 35,346.73/x
  3. Step 3: Cross multiply
    91,531.38x = 137,191.65 × 35,346.73
  4. Step 4: Simplify right side
    91,531.38x = 4,849,276,210.80
  5. Step 5: Solve for x
    x = 4,849,276,210.80/91,531.38
  6. Step 6: Final answer
    x = 52,979.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.