Home / 63,581.55-87,736.53-38,087.47

Finding the Fourth Proportional to 63,581.55, 87,736.53 and 38,087.47

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Solution

The fourth proportional to 63,581.55, 87,736.53 and 38,087.47 is: 52,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,581.55 : 87,736.53 = 38,087.47 : x
  2. Step 2: Convert to fraction form
    63,581.55/87,736.53 = 38,087.47/x
  3. Step 3: Cross multiply
    63,581.55x = 87,736.53 × 38,087.47
  4. Step 4: Simplify right side
    63,581.55x = 3,341,662,454.28
  5. Step 5: Solve for x
    x = 3,341,662,454.28/63,581.55
  6. Step 6: Final answer
    x = 52,557.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.