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Finding the Fourth Proportional to 89,863, 124,010.10 and 49,577.08

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Solution

The fourth proportional to 89,863, 124,010.10 and 49,577.08 is: 68,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,863 : 124,010.10 = 49,577.08 : x
  2. Step 2: Convert to fraction form
    89,863/124,010.10 = 49,577.08/x
  3. Step 3: Cross multiply
    89,863x = 124,010.10 × 49,577.08
  4. Step 4: Simplify right side
    89,863x = 6,148,058,648.51
  5. Step 5: Solve for x
    x = 6,148,058,648.51/89,863
  6. Step 6: Final answer
    x = 68,415.91

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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.