Home / 85,174.08-117,538.68-47,447.52

Finding the Fourth Proportional to 85,174.08, 117,538.68 and 47,447.52

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Solution

The fourth proportional to 85,174.08, 117,538.68 and 47,447.52 is: 65,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,174.08 : 117,538.68 = 47,447.52 : x
  2. Step 2: Convert to fraction form
    85,174.08/117,538.68 = 47,447.52/x
  3. Step 3: Cross multiply
    85,174.08x = 117,538.68 × 47,447.52
  4. Step 4: Simplify right side
    85,174.08x = 5,576,918,870.07
  5. Step 5: Solve for x
    x = 5,576,918,870.07/85,174.08
  6. Step 6: Final answer
    x = 65,476.71

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1.5x scale

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.