Home / 76,944.05-106,188.12-42,959.22

Finding the Fourth Proportional to 76,944.05, 106,188.12 and 42,959.22

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Solution

The fourth proportional to 76,944.05, 106,188.12 and 42,959.22 is: 59,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.05 : 106,188.12 = 42,959.22 : x
  2. Step 2: Convert to fraction form
    76,944.05/106,188.12 = 42,959.22/x
  3. Step 3: Cross multiply
    76,944.05x = 106,188.12 × 42,959.22
  4. Step 4: Simplify right side
    76,944.05x = 4,561,758,808.47
  5. Step 5: Solve for x
    x = 4,561,758,808.47/76,944.05
  6. Step 6: Final answer
    x = 59,286.70

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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.