Home / 99,867.95-137,817.07-54,545.94

Finding the Fourth Proportional to 99,867.95, 137,817.07 and 54,545.94

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Solution

The fourth proportional to 99,867.95, 137,817.07 and 54,545.94 is: 75,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,867.95 : 137,817.07 = 54,545.94 : x
  2. Step 2: Convert to fraction form
    99,867.95/137,817.07 = 54,545.94/x
  3. Step 3: Cross multiply
    99,867.95x = 137,817.07 × 54,545.94
  4. Step 4: Simplify right side
    99,867.95x = 7,517,362,229.66
  5. Step 5: Solve for x
    x = 7,517,362,229.66/99,867.95
  6. Step 6: Final answer
    x = 75,273.02

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1.5x scale

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.