Home / 91,917.27-126,826.16-53,659.46

Finding the Fourth Proportional to 91,917.27, 126,826.16 and 53,659.46

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Solution

The fourth proportional to 91,917.27, 126,826.16 and 53,659.46 is: 74,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,917.27 : 126,826.16 = 53,659.46 : x
  2. Step 2: Convert to fraction form
    91,917.27/126,826.16 = 53,659.46/x
  3. Step 3: Cross multiply
    91,917.27x = 126,826.16 × 53,659.46
  4. Step 4: Simplify right side
    91,917.27x = 6,805,422,357.05
  5. Step 5: Solve for x
    x = 6,805,422,357.05/91,917.27
  6. Step 6: Final answer
    x = 74,038.56

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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.