Home / 52,176.33-78,306.01-18,905.91

Finding the Fourth Proportional to 52,176.33, 78,306.01 and 18,905.91

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Solution

The fourth proportional to 52,176.33, 78,306.01 and 18,905.91 is: 28,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.33 : 78,306.01 = 18,905.91 : x
  2. Step 2: Convert to fraction form
    52,176.33/78,306.01 = 18,905.91/x
  3. Step 3: Cross multiply
    52,176.33x = 78,306.01 × 18,905.91
  4. Step 4: Simplify right side
    52,176.33x = 1,480,446,377.52
  5. Step 5: Solve for x
    x = 1,480,446,377.52/52,176.33
  6. Step 6: Final answer
    x = 28,373.91

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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.