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Finding the Fourth Proportional to 83,507.44, 115,241.88 and 45,779.44

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Solution

The fourth proportional to 83,507.44, 115,241.88 and 45,779.44 is: 63,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,507.44 : 115,241.88 = 45,779.44 : x
  2. Step 2: Convert to fraction form
    83,507.44/115,241.88 = 45,779.44/x
  3. Step 3: Cross multiply
    83,507.44x = 115,241.88 × 45,779.44
  4. Step 4: Simplify right side
    83,507.44x = 5,275,708,730.95
  5. Step 5: Solve for x
    x = 5,275,708,730.95/83,507.44
  6. Step 6: Final answer
    x = 63,176.51

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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.