Home / 91,976.52-137,964.44-25,416.53

Finding the Fourth Proportional to 91,976.52, 137,964.44 and 25,416.53

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Solution

The fourth proportional to 91,976.52, 137,964.44 and 25,416.53 is: 38,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,976.52 : 137,964.44 = 25,416.53 : x
  2. Step 2: Convert to fraction form
    91,976.52/137,964.44 = 25,416.53/x
  3. Step 3: Cross multiply
    91,976.52x = 137,964.44 × 25,416.53
  4. Step 4: Simplify right side
    91,976.52x = 3,506,576,701.91
  5. Step 5: Solve for x
    x = 3,506,576,701.91/91,976.52
  6. Step 6: Final answer
    x = 38,124.69

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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.