Home / 83,503.60-125,268.36-28,095.28

Finding the Fourth Proportional to 83,503.60, 125,268.36 and 28,095.28

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Solution

The fourth proportional to 83,503.60, 125,268.36 and 28,095.28 is: 42,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,503.60 : 125,268.36 = 28,095.28 : x
  2. Step 2: Convert to fraction form
    83,503.60/125,268.36 = 28,095.28/x
  3. Step 3: Cross multiply
    83,503.60x = 125,268.36 × 28,095.28
  4. Step 4: Simplify right side
    83,503.60x = 3,519,449,649.34
  5. Step 5: Solve for x
    x = 3,519,449,649.34/83,503.60
  6. Step 6: Final answer
    x = 42,147.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.