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Finding the Fourth Proportional to 63,392.04, 87,387.86 and 48,258.34

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Solution

The fourth proportional to 63,392.04, 87,387.86 and 48,258.34 is: 66,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,392.04 : 87,387.86 = 48,258.34 : x
  2. Step 2: Convert to fraction form
    63,392.04/87,387.86 = 48,258.34/x
  3. Step 3: Cross multiply
    63,392.04x = 87,387.86 × 48,258.34
  4. Step 4: Simplify right side
    63,392.04x = 4,217,192,961.93
  5. Step 5: Solve for x
    x = 4,217,192,961.93/63,392.04
  6. Step 6: Final answer
    x = 66,525.59

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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.