Home / 83,454.18-115,168.23-45,726.18

Finding the Fourth Proportional to 83,454.18, 115,168.23 and 45,726.18

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Solution

The fourth proportional to 83,454.18, 115,168.23 and 45,726.18 is: 63,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,454.18 : 115,168.23 = 45,726.18 : x
  2. Step 2: Convert to fraction form
    83,454.18/115,168.23 = 45,726.18/x
  3. Step 3: Cross multiply
    83,454.18x = 115,168.23 × 45,726.18
  4. Step 4: Simplify right side
    83,454.18x = 5,266,203,215.26
  5. Step 5: Solve for x
    x = 5,266,203,215.26/83,454.18
  6. Step 6: Final answer
    x = 63,102.93

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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.