Home / 80,711.84-111,380.66-44,901.08

Finding the Fourth Proportional to 80,711.84, 111,380.66 and 44,901.08

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Solution

The fourth proportional to 80,711.84, 111,380.66 and 44,901.08 is: 61,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,711.84 : 111,380.66 = 44,901.08 : x
  2. Step 2: Convert to fraction form
    80,711.84/111,380.66 = 44,901.08/x
  3. Step 3: Cross multiply
    80,711.84x = 111,380.66 × 44,901.08
  4. Step 4: Simplify right side
    80,711.84x = 5,001,111,925.11
  5. Step 5: Solve for x
    x = 5,001,111,925.11/80,711.84
  6. Step 6: Final answer
    x = 61,962.56

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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.