Home / 99,257.32-148,425.18-76,816.36

Finding the Fourth Proportional to 99,257.32, 148,425.18 and 76,816.36

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Solution

The fourth proportional to 99,257.32, 148,425.18 and 76,816.36 is: 114,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257.32 : 148,425.18 = 76,816.36 : x
  2. Step 2: Convert to fraction form
    99,257.32/148,425.18 = 76,816.36/x
  3. Step 3: Cross multiply
    99,257.32x = 148,425.18 × 76,816.36
  4. Step 4: Simplify right side
    99,257.32x = 11,401,482,059.94
  5. Step 5: Solve for x
    x = 11,401,482,059.94/99,257.32
  6. Step 6: Final answer
    x = 114,867.92

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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.