Home / 89,605.78-123,656.02-49,319.26

Finding the Fourth Proportional to 89,605.78, 123,656.02 and 49,319.26

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Solution

The fourth proportional to 89,605.78, 123,656.02 and 49,319.26 is: 68,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605.78 : 123,656.02 = 49,319.26 : x
  2. Step 2: Convert to fraction form
    89,605.78/123,656.02 = 49,319.26/x
  3. Step 3: Cross multiply
    89,605.78x = 123,656.02 × 49,319.26
  4. Step 4: Simplify right side
    89,605.78x = 6,098,622,968.51
  5. Step 5: Solve for x
    x = 6,098,622,968.51/89,605.78
  6. Step 6: Final answer
    x = 68,060.60

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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.