Home / 99,237.27-148,860.78-40,065.57

Finding the Fourth Proportional to 99,237.27, 148,860.78 and 40,065.57

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Solution

The fourth proportional to 99,237.27, 148,860.78 and 40,065.57 is: 60,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,237.27 : 148,860.78 = 40,065.57 : x
  2. Step 2: Convert to fraction form
    99,237.27/148,860.78 = 40,065.57/x
  3. Step 3: Cross multiply
    99,237.27x = 148,860.78 × 40,065.57
  4. Step 4: Simplify right side
    99,237.27x = 5,964,192,001.34
  5. Step 5: Solve for x
    x = 5,964,192,001.34/99,237.27
  6. Step 6: Final answer
    x = 60,100.32

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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.