Home / 85,034.11-117,351.91-48,741.59

Finding the Fourth Proportional to 85,034.11, 117,351.91 and 48,741.59

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Solution

The fourth proportional to 85,034.11, 117,351.91 and 48,741.59 is: 67,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,034.11 : 117,351.91 = 48,741.59 : x
  2. Step 2: Convert to fraction form
    85,034.11/117,351.91 = 48,741.59/x
  3. Step 3: Cross multiply
    85,034.11x = 117,351.91 × 48,741.59
  4. Step 4: Simplify right side
    85,034.11x = 5,719,918,454.18
  5. Step 5: Solve for x
    x = 5,719,918,454.18/85,034.11
  6. Step 6: Final answer
    x = 67,266.17

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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.