Home / 52,277.14-78,391.02-18,973.90

Finding the Fourth Proportional to 52,277.14, 78,391.02 and 18,973.90

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Solution

The fourth proportional to 52,277.14, 78,391.02 and 18,973.90 is: 28,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,277.14 : 78,391.02 = 18,973.90 : x
  2. Step 2: Convert to fraction form
    52,277.14/78,391.02 = 18,973.90/x
  3. Step 3: Cross multiply
    52,277.14x = 78,391.02 × 18,973.90
  4. Step 4: Simplify right side
    52,277.14x = 1,487,383,374.38
  5. Step 5: Solve for x
    x = 1,487,383,374.38/52,277.14
  6. Step 6: Final answer
    x = 28,451.89

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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.