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Finding the Fourth Proportional to 79,800.32, 110,008.32 and 55,854.08

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Solution

The fourth proportional to 79,800.32, 110,008.32 and 55,854.08 is: 76,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,800.32 : 110,008.32 = 55,854.08 : x
  2. Step 2: Convert to fraction form
    79,800.32/110,008.32 = 55,854.08/x
  3. Step 3: Cross multiply
    79,800.32x = 110,008.32 × 55,854.08
  4. Step 4: Simplify right side
    79,800.32x = 6,144,413,505.95
  5. Step 5: Solve for x
    x = 6,144,413,505.95/79,800.32
  6. Step 6: Final answer
    x = 76,997.35

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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.