Home / 83,778.30-125,646.80-50,053.95

Finding the Fourth Proportional to 83,778.30, 125,646.80 and 50,053.95

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Solution

The fourth proportional to 83,778.30, 125,646.80 and 50,053.95 is: 75,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,778.30 : 125,646.80 = 50,053.95 : x
  2. Step 2: Convert to fraction form
    83,778.30/125,646.80 = 50,053.95/x
  3. Step 3: Cross multiply
    83,778.30x = 125,646.80 × 50,053.95
  4. Step 4: Simplify right side
    83,778.30x = 6,289,118,394.59
  5. Step 5: Solve for x
    x = 6,289,118,394.59/83,778.30
  6. Step 6: Final answer
    x = 75,068.58

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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.