Home / 98,829.50-148,089.01-76,395.15

Finding the Fourth Proportional to 98,829.50, 148,089.01 and 76,395.15

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Solution

The fourth proportional to 98,829.50, 148,089.01 and 76,395.15 is: 114,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.50 : 148,089.01 = 76,395.15 : x
  2. Step 2: Convert to fraction form
    98,829.50/148,089.01 = 76,395.15/x
  3. Step 3: Cross multiply
    98,829.50x = 148,089.01 × 76,395.15
  4. Step 4: Simplify right side
    98,829.50x = 11,313,281,782.10
  5. Step 5: Solve for x
    x = 11,313,281,782.10/98,829.50
  6. Step 6: Final answer
    x = 114,472.73

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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.