Home / 83,095.88-124,560.79-76,840.45

Finding the Fourth Proportional to 83,095.88, 124,560.79 and 76,840.45

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Solution

The fourth proportional to 83,095.88, 124,560.79 and 76,840.45 is: 115,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,095.88 : 124,560.79 = 76,840.45 : x
  2. Step 2: Convert to fraction form
    83,095.88/124,560.79 = 76,840.45/x
  3. Step 3: Cross multiply
    83,095.88x = 124,560.79 × 76,840.45
  4. Step 4: Simplify right side
    83,095.88x = 9,571,306,652.45
  5. Step 5: Solve for x
    x = 9,571,306,652.45/83,095.88
  6. Step 6: Final answer
    x = 115,183.90

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1.5x scale

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.