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Finding the Fourth Proportional to 64,339.52, 88,788.24 and 36,045.44

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Solution

The fourth proportional to 64,339.52, 88,788.24 and 36,045.44 is: 49,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.52 : 88,788.24 = 36,045.44 : x
  2. Step 2: Convert to fraction form
    64,339.52/88,788.24 = 36,045.44/x
  3. Step 3: Cross multiply
    64,339.52x = 88,788.24 × 36,045.44
  4. Step 4: Simplify right side
    64,339.52x = 3,200,411,177.63
  5. Step 5: Solve for x
    x = 3,200,411,177.63/64,339.52
  6. Step 6: Final answer
    x = 49,742.54

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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.