Home / 52,470.08-78,684.24-19,182.56

Finding the Fourth Proportional to 52,470.08, 78,684.24 and 19,182.56

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Solution

The fourth proportional to 52,470.08, 78,684.24 and 19,182.56 is: 28,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,470.08 : 78,684.24 = 19,182.56 : x
  2. Step 2: Convert to fraction form
    52,470.08/78,684.24 = 19,182.56/x
  3. Step 3: Cross multiply
    52,470.08x = 78,684.24 × 19,182.56
  4. Step 4: Simplify right side
    52,470.08x = 1,509,365,154.85
  5. Step 5: Solve for x
    x = 1,509,365,154.85/52,470.08
  6. Step 6: Final answer
    x = 28,766.21

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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.