Home / 82,197.65-122,972.07-63,334.78

Finding the Fourth Proportional to 82,197.65, 122,972.07 and 63,334.78

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Solution

The fourth proportional to 82,197.65, 122,972.07 and 63,334.78 is: 94,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.65 : 122,972.07 = 63,334.78 : x
  2. Step 2: Convert to fraction form
    82,197.65/122,972.07 = 63,334.78/x
  3. Step 3: Cross multiply
    82,197.65x = 122,972.07 × 63,334.78
  4. Step 4: Simplify right side
    82,197.65x = 7,788,408,929.67
  5. Step 5: Solve for x
    x = 7,788,408,929.67/82,197.65
  6. Step 6: Final answer
    x = 94,752.21

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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.