Home / 75,086.08-112,684.48-35,643.52

Finding the Fourth Proportional to 75,086.08, 112,684.48 and 35,643.52

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Solution

The fourth proportional to 75,086.08, 112,684.48 and 35,643.52 is: 53,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086.08 : 112,684.48 = 35,643.52 : x
  2. Step 2: Convert to fraction form
    75,086.08/112,684.48 = 35,643.52/x
  3. Step 3: Cross multiply
    75,086.08x = 112,684.48 × 35,643.52
  4. Step 4: Simplify right side
    75,086.08x = 4,016,471,516.57
  5. Step 5: Solve for x
    x = 4,016,471,516.57/75,086.08
  6. Step 6: Final answer
    x = 53,491.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.