Home / 91,452.72-126,209.66-51,164.08

Finding the Fourth Proportional to 91,452.72, 126,209.66 and 51,164.08

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Solution

The fourth proportional to 91,452.72, 126,209.66 and 51,164.08 is: 70,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,452.72 : 126,209.66 = 51,164.08 : x
  2. Step 2: Convert to fraction form
    91,452.72/126,209.66 = 51,164.08/x
  3. Step 3: Cross multiply
    91,452.72x = 126,209.66 × 51,164.08
  4. Step 4: Simplify right side
    91,452.72x = 6,457,401,141.01
  5. Step 5: Solve for x
    x = 6,457,401,141.01/91,452.72
  6. Step 6: Final answer
    x = 70,609.18

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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.