Home / 83,655.87-115,445.31-45,932.55

Finding the Fourth Proportional to 83,655.87, 115,445.31 and 45,932.55

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Solution

The fourth proportional to 83,655.87, 115,445.31 and 45,932.55 is: 63,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,655.87 : 115,445.31 = 45,932.55 : x
  2. Step 2: Convert to fraction form
    83,655.87/115,445.31 = 45,932.55/x
  3. Step 3: Cross multiply
    83,655.87x = 115,445.31 × 45,932.55
  4. Step 4: Simplify right side
    83,655.87x = 5,302,697,473.84
  5. Step 5: Solve for x
    x = 5,302,697,473.84/83,655.87
  6. Step 6: Final answer
    x = 63,387.03

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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.