Home / 83,087.25-124,660.02-51,886.05

Finding the Fourth Proportional to 83,087.25, 124,660.02 and 51,886.05

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Solution

The fourth proportional to 83,087.25, 124,660.02 and 51,886.05 is: 77,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,087.25 : 124,660.02 = 51,886.05 : x
  2. Step 2: Convert to fraction form
    83,087.25/124,660.02 = 51,886.05/x
  3. Step 3: Cross multiply
    83,087.25x = 124,660.02 × 51,886.05
  4. Step 4: Simplify right side
    83,087.25x = 6,468,116,030.72
  5. Step 5: Solve for x
    x = 6,468,116,030.72/83,087.25
  6. Step 6: Final answer
    x = 77,847.28

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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.