Home / 91,849.72-126,737.52-54,118.84

Finding the Fourth Proportional to 91,849.72, 126,737.52 and 54,118.84

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Solution

The fourth proportional to 91,849.72, 126,737.52 and 54,118.84 is: 74,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,849.72 : 126,737.52 = 54,118.84 : x
  2. Step 2: Convert to fraction form
    91,849.72/126,737.52 = 54,118.84/x
  3. Step 3: Cross multiply
    91,849.72x = 126,737.52 × 54,118.84
  4. Step 4: Simplify right side
    91,849.72x = 6,858,887,566.88
  5. Step 5: Solve for x
    x = 6,858,887,566.88/91,849.72
  6. Step 6: Final answer
    x = 74,675.11

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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.