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Finding the Fourth Proportional to 64,044.95, 88,378.36 and 35,752.43

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Solution

The fourth proportional to 64,044.95, 88,378.36 and 35,752.43 is: 49,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,044.95 : 88,378.36 = 35,752.43 : x
  2. Step 2: Convert to fraction form
    64,044.95/88,378.36 = 35,752.43/x
  3. Step 3: Cross multiply
    64,044.95x = 88,378.36 × 35,752.43
  4. Step 4: Simplify right side
    64,044.95x = 3,159,741,129.41
  5. Step 5: Solve for x
    x = 3,159,741,129.41/64,044.95
  6. Step 6: Final answer
    x = 49,336.30

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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.