Home / 91,859.64-126,757.56-51,564.18

Finding the Fourth Proportional to 91,859.64, 126,757.56 and 51,564.18

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Solution

The fourth proportional to 91,859.64, 126,757.56 and 51,564.18 is: 71,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859.64 : 126,757.56 = 51,564.18 : x
  2. Step 2: Convert to fraction form
    91,859.64/126,757.56 = 51,564.18/x
  3. Step 3: Cross multiply
    91,859.64x = 126,757.56 × 51,564.18
  4. Step 4: Simplify right side
    91,859.64x = 6,536,149,640.20
  5. Step 5: Solve for x
    x = 6,536,149,640.20/91,859.64
  6. Step 6: Final answer
    x = 71,153.66

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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.