Home / 89,988.36-124,181.90-49,151.12

Finding the Fourth Proportional to 89,988.36, 124,181.90 and 49,151.12

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Solution

The fourth proportional to 89,988.36, 124,181.90 and 49,151.12 is: 67,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,988.36 : 124,181.90 = 49,151.12 : x
  2. Step 2: Convert to fraction form
    89,988.36/124,181.90 = 49,151.12/x
  3. Step 3: Cross multiply
    89,988.36x = 124,181.90 × 49,151.12
  4. Step 4: Simplify right side
    89,988.36x = 6,103,679,468.73
  5. Step 5: Solve for x
    x = 6,103,679,468.73/89,988.36
  6. Step 6: Final answer
    x = 67,827.43

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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.