Home / 78,442.44-108,251.40-42,632.46

Finding the Fourth Proportional to 78,442.44, 108,251.40 and 42,632.46

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Solution

The fourth proportional to 78,442.44, 108,251.40 and 42,632.46 is: 58,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,442.44 : 108,251.40 = 42,632.46 : x
  2. Step 2: Convert to fraction form
    78,442.44/108,251.40 = 42,632.46/x
  3. Step 3: Cross multiply
    78,442.44x = 108,251.40 × 42,632.46
  4. Step 4: Simplify right side
    78,442.44x = 4,615,023,480.44
  5. Step 5: Solve for x
    x = 4,615,023,480.44/78,442.44
  6. Step 6: Final answer
    x = 58,833.25

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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.