Home / 70,421.15-105,560.64-44,144.34

Finding the Fourth Proportional to 70,421.15, 105,560.64 and 44,144.34

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Solution

The fourth proportional to 70,421.15, 105,560.64 and 44,144.34 is: 66,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.15 : 105,560.64 = 44,144.34 : x
  2. Step 2: Convert to fraction form
    70,421.15/105,560.64 = 44,144.34/x
  3. Step 3: Cross multiply
    70,421.15x = 105,560.64 × 44,144.34
  4. Step 4: Simplify right side
    70,421.15x = 4,659,904,782.78
  5. Step 5: Solve for x
    x = 4,659,904,782.78/70,421.15
  6. Step 6: Final answer
    x = 66,171.95

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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.