Home / 52,291.56-78,436.65-12,849.02

Finding the Fourth Proportional to 52,291.56, 78,436.65 and 12,849.02

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Solution

The fourth proportional to 52,291.56, 78,436.65 and 12,849.02 is: 19,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.56 : 78,436.65 = 12,849.02 : x
  2. Step 2: Convert to fraction form
    52,291.56/78,436.65 = 12,849.02/x
  3. Step 3: Cross multiply
    52,291.56x = 78,436.65 × 12,849.02
  4. Step 4: Simplify right side
    52,291.56x = 1,007,834,034.72
  5. Step 5: Solve for x
    x = 1,007,834,034.72/52,291.56
  6. Step 6: Final answer
    x = 19,273.36

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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.