Home / 52,525.10-78,772.28-20,924.66

Finding the Fourth Proportional to 52,525.10, 78,772.28 and 20,924.66

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Solution

The fourth proportional to 52,525.10, 78,772.28 and 20,924.66 is: 31,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,525.10 : 78,772.28 = 20,924.66 : x
  2. Step 2: Convert to fraction form
    52,525.10/78,772.28 = 20,924.66/x
  3. Step 3: Cross multiply
    52,525.10x = 78,772.28 × 20,924.66
  4. Step 4: Simplify right side
    52,525.10x = 1,648,283,458.48
  5. Step 5: Solve for x
    x = 1,648,283,458.48/52,525.10
  6. Step 6: Final answer
    x = 31,380.87

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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.