Home / 83,725.32-115,540.98-45,999.60

Finding the Fourth Proportional to 83,725.32, 115,540.98 and 45,999.60

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Solution

The fourth proportional to 83,725.32, 115,540.98 and 45,999.60 is: 63,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,725.32 : 115,540.98 = 45,999.60 : x
  2. Step 2: Convert to fraction form
    83,725.32/115,540.98 = 45,999.60/x
  3. Step 3: Cross multiply
    83,725.32x = 115,540.98 × 45,999.60
  4. Step 4: Simplify right side
    83,725.32x = 5,314,838,863.61
  5. Step 5: Solve for x
    x = 5,314,838,863.61/83,725.32
  6. Step 6: Final answer
    x = 63,479.47

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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.