Home / 89,466.90-123,461.19-49,180.38

Finding the Fourth Proportional to 89,466.90, 123,461.19 and 49,180.38

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Solution

The fourth proportional to 89,466.90, 123,461.19 and 49,180.38 is: 67,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,466.90 : 123,461.19 = 49,180.38 : x
  2. Step 2: Convert to fraction form
    89,466.90/123,461.19 = 49,180.38/x
  3. Step 3: Cross multiply
    89,466.90x = 123,461.19 × 49,180.38
  4. Step 4: Simplify right side
    89,466.90x = 6,071,867,960.90
  5. Step 5: Solve for x
    x = 6,071,867,960.90/89,466.90
  6. Step 6: Final answer
    x = 67,867.20

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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.