Home / 99,727.20-149,590.80-93,895.20

Finding the Fourth Proportional to 99,727.20, 149,590.80 and 93,895.20

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Solution

The fourth proportional to 99,727.20, 149,590.80 and 93,895.20 is: 140,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,727.20 : 149,590.80 = 93,895.20 : x
  2. Step 2: Convert to fraction form
    99,727.20/149,590.80 = 93,895.20/x
  3. Step 3: Cross multiply
    99,727.20x = 149,590.80 × 93,895.20
  4. Step 4: Simplify right side
    99,727.20x = 14,045,858,084.16
  5. Step 5: Solve for x
    x = 14,045,858,084.16/99,727.20
  6. Step 6: Final answer
    x = 140,842.80

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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.