Home / 89,521.22-123,541.26-49,237.02

Finding the Fourth Proportional to 89,521.22, 123,541.26 and 49,237.02

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Solution

The fourth proportional to 89,521.22, 123,541.26 and 49,237.02 is: 67,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,521.22 : 123,541.26 = 49,237.02 : x
  2. Step 2: Convert to fraction form
    89,521.22/123,541.26 = 49,237.02/x
  3. Step 3: Cross multiply
    89,521.22x = 123,541.26 × 49,237.02
  4. Step 4: Simplify right side
    89,521.22x = 6,082,803,489.45
  5. Step 5: Solve for x
    x = 6,082,803,489.45/89,521.22
  6. Step 6: Final answer
    x = 67,948.18

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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.