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Finding the Fourth Proportional to 55,959.48, 77,221.80 and 32,069.52

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Solution

The fourth proportional to 55,959.48, 77,221.80 and 32,069.52 is: 44,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,959.48 : 77,221.80 = 32,069.52 : x
  2. Step 2: Convert to fraction form
    55,959.48/77,221.80 = 32,069.52/x
  3. Step 3: Cross multiply
    55,959.48x = 77,221.80 × 32,069.52
  4. Step 4: Simplify right side
    55,959.48x = 2,476,466,059.54
  5. Step 5: Solve for x
    x = 2,476,466,059.54/55,959.48
  6. Step 6: Final answer
    x = 44,254.63

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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.