Home / 61,899.20-85,333.62-43,987.67

Finding the Fourth Proportional to 61,899.20, 85,333.62 and 43,987.67

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Solution

The fourth proportional to 61,899.20, 85,333.62 and 43,987.67 is: 60,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.20 : 85,333.62 = 43,987.67 : x
  2. Step 2: Convert to fraction form
    61,899.20/85,333.62 = 43,987.67/x
  3. Step 3: Cross multiply
    61,899.20x = 85,333.62 × 43,987.67
  4. Step 4: Simplify right side
    61,899.20x = 3,753,627,116.47
  5. Step 5: Solve for x
    x = 3,753,627,116.47/61,899.20
  6. Step 6: Final answer
    x = 60,640.96

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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.