Home / 82,543.20-123,693.42-48,774.50

Finding the Fourth Proportional to 82,543.20, 123,693.42 and 48,774.50

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Solution

The fourth proportional to 82,543.20, 123,693.42 and 48,774.50 is: 73,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,543.20 : 123,693.42 = 48,774.50 : x
  2. Step 2: Convert to fraction form
    82,543.20/123,693.42 = 48,774.50/x
  3. Step 3: Cross multiply
    82,543.20x = 123,693.42 × 48,774.50
  4. Step 4: Simplify right side
    82,543.20x = 6,033,084,713.79
  5. Step 5: Solve for x
    x = 6,033,084,713.79/82,543.20
  6. Step 6: Final answer
    x = 73,090.03

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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.