Home / 83,527.72-125,322.36-39,168.88

Finding the Fourth Proportional to 83,527.72, 125,322.36 and 39,168.88

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Solution

The fourth proportional to 83,527.72, 125,322.36 and 39,168.88 is: 58,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,527.72 : 125,322.36 = 39,168.88 : x
  2. Step 2: Convert to fraction form
    83,527.72/125,322.36 = 39,168.88/x
  3. Step 3: Cross multiply
    83,527.72x = 125,322.36 × 39,168.88
  4. Step 4: Simplify right side
    83,527.72x = 4,908,736,480.16
  5. Step 5: Solve for x
    x = 4,908,736,480.16/83,527.72
  6. Step 6: Final answer
    x = 58,767.75

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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.