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Finding the Fourth Proportional to 64,148.92, 88,525.49 and 35,854.61

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Solution

The fourth proportional to 64,148.92, 88,525.49 and 35,854.61 is: 49,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,148.92 : 88,525.49 = 35,854.61 : x
  2. Step 2: Convert to fraction form
    64,148.92/88,525.49 = 35,854.61/x
  3. Step 3: Cross multiply
    64,148.92x = 88,525.49 × 35,854.61
  4. Step 4: Simplify right side
    64,148.92x = 3,174,046,297.11
  5. Step 5: Solve for x
    x = 3,174,046,297.11/64,148.92
  6. Step 6: Final answer
    x = 49,479.34

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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.