Home / 83,387.48-115,019.28-59,527.64

Finding the Fourth Proportional to 83,387.48, 115,019.28 and 59,527.64

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Solution

The fourth proportional to 83,387.48, 115,019.28 and 59,527.64 is: 82,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,387.48 : 115,019.28 = 59,527.64 : x
  2. Step 2: Convert to fraction form
    83,387.48/115,019.28 = 59,527.64/x
  3. Step 3: Cross multiply
    83,387.48x = 115,019.28 × 59,527.64
  4. Step 4: Simplify right side
    83,387.48x = 6,846,826,292.90
  5. Step 5: Solve for x
    x = 6,846,826,292.90/83,387.48
  6. Step 6: Final answer
    x = 82,108.56

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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.