Home / 83,917.68-115,842.68-60,002.80

Finding the Fourth Proportional to 83,917.68, 115,842.68 and 60,002.80

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Solution

The fourth proportional to 83,917.68, 115,842.68 and 60,002.80 is: 82,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,917.68 : 115,842.68 = 60,002.80 : x
  2. Step 2: Convert to fraction form
    83,917.68/115,842.68 = 60,002.80/x
  3. Step 3: Cross multiply
    83,917.68x = 115,842.68 × 60,002.80
  4. Step 4: Simplify right side
    83,917.68x = 6,950,885,159.50
  5. Step 5: Solve for x
    x = 6,950,885,159.50/83,917.68
  6. Step 6: Final answer
    x = 82,829.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.