Home / 91,712.16-126,561.24-51,427.44

Finding the Fourth Proportional to 91,712.16, 126,561.24 and 51,427.44

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Solution

The fourth proportional to 91,712.16, 126,561.24 and 51,427.44 is: 70,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,712.16 : 126,561.24 = 51,427.44 : x
  2. Step 2: Convert to fraction form
    91,712.16/126,561.24 = 51,427.44/x
  3. Step 3: Cross multiply
    91,712.16x = 126,561.24 × 51,427.44
  4. Step 4: Simplify right side
    91,712.16x = 6,508,720,576.43
  5. Step 5: Solve for x
    x = 6,508,720,576.43/91,712.16
  6. Step 6: Final answer
    x = 70,969.00

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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.