Home / 82,377.30-123,519.11-32,430.35

Finding the Fourth Proportional to 82,377.30, 123,519.11 and 32,430.35

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Solution

The fourth proportional to 82,377.30, 123,519.11 and 32,430.35 is: 48,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,377.30 : 123,519.11 = 32,430.35 : x
  2. Step 2: Convert to fraction form
    82,377.30/123,519.11 = 32,430.35/x
  3. Step 3: Cross multiply
    82,377.30x = 123,519.11 × 32,430.35
  4. Step 4: Simplify right side
    82,377.30x = 4,005,767,189.24
  5. Step 5: Solve for x
    x = 4,005,767,189.24/82,377.30
  6. Step 6: Final answer
    x = 48,627.08

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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.