Home / 83,713.44-115,527.20-45,988.48

Finding the Fourth Proportional to 83,713.44, 115,527.20 and 45,988.48

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Solution

The fourth proportional to 83,713.44, 115,527.20 and 45,988.48 is: 63,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,713.44 : 115,527.20 = 45,988.48 : x
  2. Step 2: Convert to fraction form
    83,713.44/115,527.20 = 45,988.48/x
  3. Step 3: Cross multiply
    83,713.44x = 115,527.20 × 45,988.48
  4. Step 4: Simplify right side
    83,713.44x = 5,312,920,326.66
  5. Step 5: Solve for x
    x = 5,312,920,326.66/83,713.44
  6. Step 6: Final answer
    x = 63,465.56

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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.