Home / 83,726.11-115,541.57-45,485.36

Finding the Fourth Proportional to 83,726.11, 115,541.57 and 45,485.36

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Solution

The fourth proportional to 83,726.11, 115,541.57 and 45,485.36 is: 62,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,726.11 : 115,541.57 = 45,485.36 : x
  2. Step 2: Convert to fraction form
    83,726.11/115,541.57 = 45,485.36/x
  3. Step 3: Cross multiply
    83,726.11x = 115,541.57 × 45,485.36
  4. Step 4: Simplify right side
    83,726.11x = 5,255,449,906.42
  5. Step 5: Solve for x
    x = 5,255,449,906.42/83,726.11
  6. Step 6: Final answer
    x = 62,769.55

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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.