Home / 99,212.26-148,834.80-45,957.46

Finding the Fourth Proportional to 99,212.26, 148,834.80 and 45,957.46

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Solution

The fourth proportional to 99,212.26, 148,834.80 and 45,957.46 is: 68,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,212.26 : 148,834.80 = 45,957.46 : x
  2. Step 2: Convert to fraction form
    99,212.26/148,834.80 = 45,957.46/x
  3. Step 3: Cross multiply
    99,212.26x = 148,834.80 × 45,957.46
  4. Step 4: Simplify right side
    99,212.26x = 6,840,069,367.61
  5. Step 5: Solve for x
    x = 6,840,069,367.61/99,212.26
  6. Step 6: Final answer
    x = 68,943.79

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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.