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Finding the Fourth Proportional to 63,932.80, 96,014.40 and 61,859.20

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Solution

The fourth proportional to 63,932.80, 96,014.40 and 61,859.20 is: 92,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,932.80 : 96,014.40 = 61,859.20 : x
  2. Step 2: Convert to fraction form
    63,932.80/96,014.40 = 61,859.20/x
  3. Step 3: Cross multiply
    63,932.80x = 96,014.40 × 61,859.20
  4. Step 4: Simplify right side
    63,932.80x = 5,939,373,972.48
  5. Step 5: Solve for x
    x = 5,939,373,972.48/63,932.80
  6. Step 6: Final answer
    x = 92,900.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.