Home / 91,167.72-125,811.18-50,881.04

Finding the Fourth Proportional to 91,167.72, 125,811.18 and 50,881.04

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Solution

The fourth proportional to 91,167.72, 125,811.18 and 50,881.04 is: 70,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,167.72 : 125,811.18 = 50,881.04 : x
  2. Step 2: Convert to fraction form
    91,167.72/125,811.18 = 50,881.04/x
  3. Step 3: Cross multiply
    91,167.72x = 125,811.18 × 50,881.04
  4. Step 4: Simplify right side
    91,167.72x = 6,401,403,682.03
  5. Step 5: Solve for x
    x = 6,401,403,682.03/91,167.72
  6. Step 6: Final answer
    x = 70,215.68

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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.