Home / 71,272.56-98,349.44-42,586.50

Finding the Fourth Proportional to 71,272.56, 98,349.44 and 42,586.50

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Solution

The fourth proportional to 71,272.56, 98,349.44 and 42,586.50 is: 58,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272.56 : 98,349.44 = 42,586.50 : x
  2. Step 2: Convert to fraction form
    71,272.56/98,349.44 = 42,586.50/x
  3. Step 3: Cross multiply
    71,272.56x = 98,349.44 × 42,586.50
  4. Step 4: Simplify right side
    71,272.56x = 4,188,358,426.56
  5. Step 5: Solve for x
    x = 4,188,358,426.56/71,272.56
  6. Step 6: Final answer
    x = 58,765.37

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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.