Home / 89,984.50-124,178.62-52,261.18

Finding the Fourth Proportional to 89,984.50, 124,178.62 and 52,261.18

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Solution

The fourth proportional to 89,984.50, 124,178.62 and 52,261.18 is: 72,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.50 : 124,178.62 = 52,261.18 : x
  2. Step 2: Convert to fraction form
    89,984.50/124,178.62 = 52,261.18/x
  3. Step 3: Cross multiply
    89,984.50x = 124,178.62 × 52,261.18
  4. Step 4: Simplify right side
    89,984.50x = 6,489,721,211.97
  5. Step 5: Solve for x
    x = 6,489,721,211.97/89,984.50
  6. Step 6: Final answer
    x = 72,120.43

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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.