Home / 65,157.04-89,909.13-36,478.27

Finding the Fourth Proportional to 65,157.04, 89,909.13 and 36,478.27

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Solution

The fourth proportional to 65,157.04, 89,909.13 and 36,478.27 is: 50,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,157.04 : 89,909.13 = 36,478.27 : x
  2. Step 2: Convert to fraction form
    65,157.04/89,909.13 = 36,478.27/x
  3. Step 3: Cross multiply
    65,157.04x = 89,909.13 × 36,478.27
  4. Step 4: Simplify right side
    65,157.04x = 3,279,729,519.61
  5. Step 5: Solve for x
    x = 3,279,729,519.61/65,157.04
  6. Step 6: Final answer
    x = 50,335.77

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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.