Home / 99,073.80-148,356.96-54,651.18

Finding the Fourth Proportional to 99,073.80, 148,356.96 and 54,651.18

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Solution

The fourth proportional to 99,073.80, 148,356.96 and 54,651.18 is: 81,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073.80 : 148,356.96 = 54,651.18 : x
  2. Step 2: Convert to fraction form
    99,073.80/148,356.96 = 54,651.18/x
  3. Step 3: Cross multiply
    99,073.80x = 148,356.96 × 54,651.18
  4. Step 4: Simplify right side
    99,073.80x = 8,107,882,925.21
  5. Step 5: Solve for x
    x = 8,107,882,925.21/99,073.80
  6. Step 6: Final answer
    x = 81,836.80

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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.