Home / 70,190.20-96,869.15-38,363.88

Finding the Fourth Proportional to 70,190.20, 96,869.15 and 38,363.88

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Solution

The fourth proportional to 70,190.20, 96,869.15 and 38,363.88 is: 52,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,190.20 : 96,869.15 = 38,363.88 : x
  2. Step 2: Convert to fraction form
    70,190.20/96,869.15 = 38,363.88/x
  3. Step 3: Cross multiply
    70,190.20x = 96,869.15 × 38,363.88
  4. Step 4: Simplify right side
    70,190.20x = 3,716,276,216.72
  5. Step 5: Solve for x
    x = 3,716,276,216.72/70,190.20
  6. Step 6: Final answer
    x = 52,945.80

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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.