Home / 80,235.17-110,726.27-43,938.15

Finding the Fourth Proportional to 80,235.17, 110,726.27 and 43,938.15

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Solution

The fourth proportional to 80,235.17, 110,726.27 and 43,938.15 is: 60,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,235.17 : 110,726.27 = 43,938.15 : x
  2. Step 2: Convert to fraction form
    80,235.17/110,726.27 = 43,938.15/x
  3. Step 3: Cross multiply
    80,235.17x = 110,726.27 × 43,938.15
  4. Step 4: Simplify right side
    80,235.17x = 4,865,107,460.20
  5. Step 5: Solve for x
    x = 4,865,107,460.20/80,235.17
  6. Step 6: Final answer
    x = 60,635.60

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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.