Home / 89,258.40-123,177.85-48,971.43

Finding the Fourth Proportional to 89,258.40, 123,177.85 and 48,971.43

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Solution

The fourth proportional to 89,258.40, 123,177.85 and 48,971.43 is: 67,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,258.40 : 123,177.85 = 48,971.43 : x
  2. Step 2: Convert to fraction form
    89,258.40/123,177.85 = 48,971.43/x
  3. Step 3: Cross multiply
    89,258.40x = 123,177.85 × 48,971.43
  4. Step 4: Simplify right side
    89,258.40x = 6,032,195,336.40
  5. Step 5: Solve for x
    x = 6,032,195,336.40/89,258.40
  6. Step 6: Final answer
    x = 67,581.26

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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.