Home / 70,081.57-96,711.87-38,250.19

Finding the Fourth Proportional to 70,081.57, 96,711.87 and 38,250.19

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Solution

The fourth proportional to 70,081.57, 96,711.87 and 38,250.19 is: 52,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,081.57 : 96,711.87 = 38,250.19 : x
  2. Step 2: Convert to fraction form
    70,081.57/96,711.87 = 38,250.19/x
  3. Step 3: Cross multiply
    70,081.57x = 96,711.87 × 38,250.19
  4. Step 4: Simplify right side
    70,081.57x = 3,699,247,402.76
  5. Step 5: Solve for x
    x = 3,699,247,402.76/70,081.57
  6. Step 6: Final answer
    x = 52,784.88

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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.