Home / 61,719.40-85,172.82-34,861.96

Finding the Fourth Proportional to 61,719.40, 85,172.82 and 34,861.96

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Solution

The fourth proportional to 61,719.40, 85,172.82 and 34,861.96 is: 48,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.40 : 85,172.82 = 34,861.96 : x
  2. Step 2: Convert to fraction form
    61,719.40/85,172.82 = 34,861.96/x
  3. Step 3: Cross multiply
    61,719.40x = 85,172.82 × 34,861.96
  4. Step 4: Simplify right side
    61,719.40x = 2,969,291,443.93
  5. Step 5: Solve for x
    x = 2,969,291,443.93/61,719.40
  6. Step 6: Final answer
    x = 48,109.53

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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.