Home / 83,608.91-115,476.12-55,056.22

Finding the Fourth Proportional to 83,608.91, 115,476.12 and 55,056.22

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Solution

The fourth proportional to 83,608.91, 115,476.12 and 55,056.22 is: 76,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608.91 : 115,476.12 = 55,056.22 : x
  2. Step 2: Convert to fraction form
    83,608.91/115,476.12 = 55,056.22/x
  3. Step 3: Cross multiply
    83,608.91x = 115,476.12 × 55,056.22
  4. Step 4: Simplify right side
    83,608.91x = 6,357,678,378.78
  5. Step 5: Solve for x
    x = 6,357,678,378.78/83,608.91
  6. Step 6: Final answer
    x = 76,040.68

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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.