Home / 70,403.20-105,230.24-49,667.20

Finding the Fourth Proportional to 70,403.20, 105,230.24 and 49,667.20

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Solution

The fourth proportional to 70,403.20, 105,230.24 and 49,667.20 is: 74,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,403.20 : 105,230.24 = 49,667.20 : x
  2. Step 2: Convert to fraction form
    70,403.20/105,230.24 = 49,667.20/x
  3. Step 3: Cross multiply
    70,403.20x = 105,230.24 × 49,667.20
  4. Step 4: Simplify right side
    70,403.20x = 5,226,491,376.13
  5. Step 5: Solve for x
    x = 5,226,491,376.13/70,403.20
  6. Step 6: Final answer
    x = 74,236.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.