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Finding the Fourth Proportional to 61,976.90, 85,498.90 and 44,943.77

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Solution

The fourth proportional to 61,976.90, 85,498.90 and 44,943.77 is: 62,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.90 : 85,498.90 = 44,943.77 : x
  2. Step 2: Convert to fraction form
    61,976.90/85,498.90 = 44,943.77/x
  3. Step 3: Cross multiply
    61,976.90x = 85,498.90 × 44,943.77
  4. Step 4: Simplify right side
    61,976.90x = 3,842,643,434.48
  5. Step 5: Solve for x
    x = 3,842,643,434.48/61,976.90
  6. Step 6: Final answer
    x = 62,001.22

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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.