Home / 52,223.50-78,339.62-16,689.88

Finding the Fourth Proportional to 52,223.50, 78,339.62 and 16,689.88

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Solution

The fourth proportional to 52,223.50, 78,339.62 and 16,689.88 is: 25,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,223.50 : 78,339.62 = 16,689.88 : x
  2. Step 2: Convert to fraction form
    52,223.50/78,339.62 = 16,689.88/x
  3. Step 3: Cross multiply
    52,223.50x = 78,339.62 × 16,689.88
  4. Step 4: Simplify right side
    52,223.50x = 1,307,478,996.69
  5. Step 5: Solve for x
    x = 1,307,478,996.69/52,223.50
  6. Step 6: Final answer
    x = 25,036.22

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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.