Home / 91,541.64-126,327.78-51,257.16

Finding the Fourth Proportional to 91,541.64, 126,327.78 and 51,257.16

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Solution

The fourth proportional to 91,541.64, 126,327.78 and 51,257.16 is: 70,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,541.64 : 126,327.78 = 51,257.16 : x
  2. Step 2: Convert to fraction form
    91,541.64/126,327.78 = 51,257.16/x
  3. Step 3: Cross multiply
    91,541.64x = 126,327.78 × 51,257.16
  4. Step 4: Simplify right side
    91,541.64x = 6,475,203,231.90
  5. Step 5: Solve for x
    x = 6,475,203,231.90/91,541.64
  6. Step 6: Final answer
    x = 70,735.06

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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.