Home / 83,445.08-125,175.32-27,285.48

Finding the Fourth Proportional to 83,445.08, 125,175.32 and 27,285.48

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Solution

The fourth proportional to 83,445.08, 125,175.32 and 27,285.48 is: 40,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.08 : 125,175.32 = 27,285.48 : x
  2. Step 2: Convert to fraction form
    83,445.08/125,175.32 = 27,285.48/x
  3. Step 3: Cross multiply
    83,445.08x = 125,175.32 × 27,285.48
  4. Step 4: Simplify right side
    83,445.08x = 3,415,468,690.35
  5. Step 5: Solve for x
    x = 3,415,468,690.35/83,445.08
  6. Step 6: Final answer
    x = 40,930.74

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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.