Home / 52,051.30-71,830.78-28,177.95

Finding the Fourth Proportional to 52,051.30, 71,830.78 and 28,177.95

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Solution

The fourth proportional to 52,051.30, 71,830.78 and 28,177.95 is: 38,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.30 : 71,830.78 = 28,177.95 : x
  2. Step 2: Convert to fraction form
    52,051.30/71,830.78 = 28,177.95/x
  3. Step 3: Cross multiply
    52,051.30x = 71,830.78 × 28,177.95
  4. Step 4: Simplify right side
    52,051.30x = 2,024,043,986.41
  5. Step 5: Solve for x
    x = 2,024,043,986.41/52,051.30
  6. Step 6: Final answer
    x = 38,885.56

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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.