Home / 83,418.17-115,116.51-45,176.84

Finding the Fourth Proportional to 83,418.17, 115,116.51 and 45,176.84

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Solution

The fourth proportional to 83,418.17, 115,116.51 and 45,176.84 is: 62,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,418.17 : 115,116.51 = 45,176.84 : x
  2. Step 2: Convert to fraction form
    83,418.17/115,116.51 = 45,176.84/x
  3. Step 3: Cross multiply
    83,418.17x = 115,116.51 × 45,176.84
  4. Step 4: Simplify right side
    83,418.17x = 5,200,600,056.16
  5. Step 5: Solve for x
    x = 5,200,600,056.16/83,418.17
  6. Step 6: Final answer
    x = 62,343.73

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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.