Home / 99,833.07-137,769.93-54,511.45

Finding the Fourth Proportional to 99,833.07, 137,769.93 and 54,511.45

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Solution

The fourth proportional to 99,833.07, 137,769.93 and 54,511.45 is: 75,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,833.07 : 137,769.93 = 54,511.45 : x
  2. Step 2: Convert to fraction form
    99,833.07/137,769.93 = 54,511.45/x
  3. Step 3: Cross multiply
    99,833.07x = 137,769.93 × 54,511.45
  4. Step 4: Simplify right side
    99,833.07x = 7,510,038,306.27
  5. Step 5: Solve for x
    x = 7,510,038,306.27/99,833.07
  6. Step 6: Final answer
    x = 75,225.95

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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.