Home / 91,268.68-125,868.96-76,005.77

Finding the Fourth Proportional to 91,268.68, 125,868.96 and 76,005.77

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Solution

The fourth proportional to 91,268.68, 125,868.96 and 76,005.77 is: 104,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,268.68 : 125,868.96 = 76,005.77 : x
  2. Step 2: Convert to fraction form
    91,268.68/125,868.96 = 76,005.77/x
  3. Step 3: Cross multiply
    91,268.68x = 125,868.96 × 76,005.77
  4. Step 4: Simplify right side
    91,268.68x = 9,566,767,223.90
  5. Step 5: Solve for x
    x = 9,566,767,223.90/91,268.68
  6. Step 6: Final answer
    x = 104,819.83

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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.