Home / 91,165.72-125,808.42-50,879.04

Finding the Fourth Proportional to 91,165.72, 125,808.42 and 50,879.04

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Solution

The fourth proportional to 91,165.72, 125,808.42 and 50,879.04 is: 70,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,165.72 : 125,808.42 = 50,879.04 : x
  2. Step 2: Convert to fraction form
    91,165.72/125,808.42 = 50,879.04/x
  3. Step 3: Cross multiply
    91,165.72x = 125,808.42 × 50,879.04
  4. Step 4: Simplify right side
    91,165.72x = 6,401,011,633.52
  5. Step 5: Solve for x
    x = 6,401,011,633.52/91,165.72
  6. Step 6: Final answer
    x = 70,212.92

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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.