Home / 89,344.78-123,290.20-49,058.35

Finding the Fourth Proportional to 89,344.78, 123,290.20 and 49,058.35

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Solution

The fourth proportional to 89,344.78, 123,290.20 and 49,058.35 is: 67,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,344.78 : 123,290.20 = 49,058.35 : x
  2. Step 2: Convert to fraction form
    89,344.78/123,290.20 = 49,058.35/x
  3. Step 3: Cross multiply
    89,344.78x = 123,290.20 × 49,058.35
  4. Step 4: Simplify right side
    89,344.78x = 6,048,413,660.52
  5. Step 5: Solve for x
    x = 6,048,413,660.52/89,344.78
  6. Step 6: Final answer
    x = 67,697.45

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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.