Home / 91,542.64-126,329.16-51,258.16

Finding the Fourth Proportional to 91,542.64, 126,329.16 and 51,258.16

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Solution

The fourth proportional to 91,542.64, 126,329.16 and 51,258.16 is: 70,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,542.64 : 126,329.16 = 51,258.16 : x
  2. Step 2: Convert to fraction form
    91,542.64/126,329.16 = 51,258.16/x
  3. Step 3: Cross multiply
    91,542.64x = 126,329.16 × 51,258.16
  4. Step 4: Simplify right side
    91,542.64x = 6,475,400,295.95
  5. Step 5: Solve for x
    x = 6,475,400,295.95/91,542.64
  6. Step 6: Final answer
    x = 70,736.44

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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.