Home / 76,944.84-106,189.20-42,960.06

Finding the Fourth Proportional to 76,944.84, 106,189.20 and 42,960.06

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Solution

The fourth proportional to 76,944.84, 106,189.20 and 42,960.06 is: 59,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944.84 : 106,189.20 = 42,960.06 : x
  2. Step 2: Convert to fraction form
    76,944.84/106,189.20 = 42,960.06/x
  3. Step 3: Cross multiply
    76,944.84x = 106,189.20 × 42,960.06
  4. Step 4: Simplify right side
    76,944.84x = 4,561,894,403.35
  5. Step 5: Solve for x
    x = 4,561,894,403.35/76,944.84
  6. Step 6: Final answer
    x = 59,287.85

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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.