Home / 82,353.20-123,726.63-52,828.70

Finding the Fourth Proportional to 82,353.20, 123,726.63 and 52,828.70

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Solution

The fourth proportional to 82,353.20, 123,726.63 and 52,828.70 is: 79,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,353.20 : 123,726.63 = 52,828.70 : x
  2. Step 2: Convert to fraction form
    82,353.20/123,726.63 = 52,828.70/x
  3. Step 3: Cross multiply
    82,353.20x = 123,726.63 × 52,828.70
  4. Step 4: Simplify right side
    82,353.20x = 6,536,317,018.28
  5. Step 5: Solve for x
    x = 6,536,317,018.28/82,353.20
  6. Step 6: Final answer
    x = 79,369.31

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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.