Home / 83,084.48-124,655.88-51,883.28

Finding the Fourth Proportional to 83,084.48, 124,655.88 and 51,883.28

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Solution

The fourth proportional to 83,084.48, 124,655.88 and 51,883.28 is: 77,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,084.48 : 124,655.88 = 51,883.28 : x
  2. Step 2: Convert to fraction form
    83,084.48/124,655.88 = 51,883.28/x
  3. Step 3: Cross multiply
    83,084.48x = 124,655.88 × 51,883.28
  4. Step 4: Simplify right side
    83,084.48x = 6,467,555,925.69
  5. Step 5: Solve for x
    x = 6,467,555,925.69/83,084.48
  6. Step 6: Final answer
    x = 77,843.13

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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.