Home / 52,559.20-78,838.80-15,623.20

Finding the Fourth Proportional to 52,559.20, 78,838.80 and 15,623.20

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Solution

The fourth proportional to 52,559.20, 78,838.80 and 15,623.20 is: 23,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,559.20 : 78,838.80 = 15,623.20 : x
  2. Step 2: Convert to fraction form
    52,559.20/78,838.80 = 15,623.20/x
  3. Step 3: Cross multiply
    52,559.20x = 78,838.80 × 15,623.20
  4. Step 4: Simplify right side
    52,559.20x = 1,231,714,340.16
  5. Step 5: Solve for x
    x = 1,231,714,340.16/52,559.20
  6. Step 6: Final answer
    x = 23,434.80

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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.