Home / 83,343.50-115,014.04-45,617.76

Finding the Fourth Proportional to 83,343.50, 115,014.04 and 45,617.76

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Solution

The fourth proportional to 83,343.50, 115,014.04 and 45,617.76 is: 62,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343.50 : 115,014.04 = 45,617.76 : x
  2. Step 2: Convert to fraction form
    83,343.50/115,014.04 = 45,617.76/x
  3. Step 3: Cross multiply
    83,343.50x = 115,014.04 × 45,617.76
  4. Step 4: Simplify right side
    83,343.50x = 5,246,682,873.35
  5. Step 5: Solve for x
    x = 5,246,682,873.35/83,343.50
  6. Step 6: Final answer
    x = 62,952.51

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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.