Home / 91,851.27-126,746.01-51,555.80

Finding the Fourth Proportional to 91,851.27, 126,746.01 and 51,555.80

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Solution

The fourth proportional to 91,851.27, 126,746.01 and 51,555.80 is: 71,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,851.27 : 126,746.01 = 51,555.80 : x
  2. Step 2: Convert to fraction form
    91,851.27/126,746.01 = 51,555.80/x
  3. Step 3: Cross multiply
    91,851.27x = 126,746.01 × 51,555.80
  4. Step 4: Simplify right side
    91,851.27x = 6,534,491,401.28
  5. Step 5: Solve for x
    x = 6,534,491,401.28/91,851.27
  6. Step 6: Final answer
    x = 71,142.09

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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.