Home / 96,615.83-133,331.15-72,373.84

Finding the Fourth Proportional to 96,615.83, 133,331.15 and 72,373.84

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Solution

The fourth proportional to 96,615.83, 133,331.15 and 72,373.84 is: 99,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,615.83 : 133,331.15 = 72,373.84 : x
  2. Step 2: Convert to fraction form
    96,615.83/133,331.15 = 72,373.84/x
  3. Step 3: Cross multiply
    96,615.83x = 133,331.15 × 72,373.84
  4. Step 4: Simplify right side
    96,615.83x = 9,649,687,317.12
  5. Step 5: Solve for x
    x = 9,649,687,317.12/96,615.83
  6. Step 6: Final answer
    x = 99,876.88

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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.