Home / 85,326.24-117,749.37-47,086.14

Finding the Fourth Proportional to 85,326.24, 117,749.37 and 47,086.14

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Solution

The fourth proportional to 85,326.24, 117,749.37 and 47,086.14 is: 64,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.24 : 117,749.37 = 47,086.14 : x
  2. Step 2: Convert to fraction form
    85,326.24/117,749.37 = 47,086.14/x
  3. Step 3: Cross multiply
    85,326.24x = 117,749.37 × 47,086.14
  4. Step 4: Simplify right side
    85,326.24x = 5,544,363,320.73
  5. Step 5: Solve for x
    x = 5,544,363,320.73/85,326.24
  6. Step 6: Final answer
    x = 64,978.41

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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.