Home / 91,927.68-137,888.76-25,371.81

Finding the Fourth Proportional to 91,927.68, 137,888.76 and 25,371.81

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Solution

The fourth proportional to 91,927.68, 137,888.76 and 25,371.81 is: 38,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,927.68 : 137,888.76 = 25,371.81 : x
  2. Step 2: Convert to fraction form
    91,927.68/137,888.76 = 25,371.81/x
  3. Step 3: Cross multiply
    91,927.68x = 137,888.76 × 25,371.81
  4. Step 4: Simplify right side
    91,927.68x = 3,498,487,419.86
  5. Step 5: Solve for x
    x = 3,498,487,419.86/91,927.68
  6. Step 6: Final answer
    x = 38,056.95

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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.