Home / 70,102.24-105,097.52-40,486.56

Finding the Fourth Proportional to 70,102.24, 105,097.52 and 40,486.56

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Solution

The fourth proportional to 70,102.24, 105,097.52 and 40,486.56 is: 60,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102.24 : 105,097.52 = 40,486.56 : x
  2. Step 2: Convert to fraction form
    70,102.24/105,097.52 = 40,486.56/x
  3. Step 3: Cross multiply
    70,102.24x = 105,097.52 × 40,486.56
  4. Step 4: Simplify right side
    70,102.24x = 4,255,037,049.33
  5. Step 5: Solve for x
    x = 4,255,037,049.33/70,102.24
  6. Step 6: Final answer
    x = 60,697.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.