Home / 99,360.33-137,118.15-54,038.73

Finding the Fourth Proportional to 99,360.33, 137,118.15 and 54,038.73

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Solution

The fourth proportional to 99,360.33, 137,118.15 and 54,038.73 is: 74,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360.33 : 137,118.15 = 54,038.73 : x
  2. Step 2: Convert to fraction form
    99,360.33/137,118.15 = 54,038.73/x
  3. Step 3: Cross multiply
    99,360.33x = 137,118.15 × 54,038.73
  4. Step 4: Simplify right side
    99,360.33x = 7,409,690,685.95
  5. Step 5: Solve for x
    x = 7,409,690,685.95/99,360.33
  6. Step 6: Final answer
    x = 74,573.93

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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.