Home / 83,451.83-115,163.60-45,726.08

Finding the Fourth Proportional to 83,451.83, 115,163.60 and 45,726.08

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Solution

The fourth proportional to 83,451.83, 115,163.60 and 45,726.08 is: 63,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,451.83 : 115,163.60 = 45,726.08 : x
  2. Step 2: Convert to fraction form
    83,451.83/115,163.60 = 45,726.08/x
  3. Step 3: Cross multiply
    83,451.83x = 115,163.60 × 45,726.08
  4. Step 4: Simplify right side
    83,451.83x = 5,265,979,986.69
  5. Step 5: Solve for x
    x = 5,265,979,986.69/83,451.83
  6. Step 6: Final answer
    x = 63,102.03

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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.