Home / 83,108.46-124,708.71-51,535.47

Finding the Fourth Proportional to 83,108.46, 124,708.71 and 51,535.47

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Solution

The fourth proportional to 83,108.46, 124,708.71 and 51,535.47 is: 77,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108.46 : 124,708.71 = 51,535.47 : x
  2. Step 2: Convert to fraction form
    83,108.46/124,708.71 = 51,535.47/x
  3. Step 3: Cross multiply
    83,108.46x = 124,708.71 × 51,535.47
  4. Step 4: Simplify right side
    83,108.46x = 6,426,922,643.86
  5. Step 5: Solve for x
    x = 6,426,922,643.86/83,108.46
  6. Step 6: Final answer
    x = 77,331.75

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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.