Home / 78,458.37-108,324.69-60,276.71

Finding the Fourth Proportional to 78,458.37, 108,324.69 and 60,276.71

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Solution

The fourth proportional to 78,458.37, 108,324.69 and 60,276.71 is: 83,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,458.37 : 108,324.69 = 60,276.71 : x
  2. Step 2: Convert to fraction form
    78,458.37/108,324.69 = 60,276.71/x
  3. Step 3: Cross multiply
    78,458.37x = 108,324.69 × 60,276.71
  4. Step 4: Simplify right side
    78,458.37x = 6,529,456,195.78
  5. Step 5: Solve for x
    x = 6,529,456,195.78/78,458.37
  6. Step 6: Final answer
    x = 83,221.92

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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.