Home / 83,522.40-115,261.20-45,796.80

Finding the Fourth Proportional to 83,522.40, 115,261.20 and 45,796.80

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Solution

The fourth proportional to 83,522.40, 115,261.20 and 45,796.80 is: 63,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,522.40 : 115,261.20 = 45,796.80 : x
  2. Step 2: Convert to fraction form
    83,522.40/115,261.20 = 45,796.80/x
  3. Step 3: Cross multiply
    83,522.40x = 115,261.20 × 45,796.80
  4. Step 4: Simplify right side
    83,522.40x = 5,278,594,124.16
  5. Step 5: Solve for x
    x = 5,278,594,124.16/83,522.40
  6. Step 6: Final answer
    x = 63,199.74

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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.