Home / 91,947.96-126,912.42-54,247.32

Finding the Fourth Proportional to 91,947.96, 126,912.42 and 54,247.32

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Solution

The fourth proportional to 91,947.96, 126,912.42 and 54,247.32 is: 74,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.96 : 126,912.42 = 54,247.32 : x
  2. Step 2: Convert to fraction form
    91,947.96/126,912.42 = 54,247.32/x
  3. Step 3: Cross multiply
    91,947.96x = 126,912.42 × 54,247.32
  4. Step 4: Simplify right side
    91,947.96x = 6,884,658,659.71
  5. Step 5: Solve for x
    x = 6,884,658,659.71/91,947.96
  6. Step 6: Final answer
    x = 74,875.60

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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.