Home / 70,560.32-105,797.55-29,986

Finding the Fourth Proportional to 70,560.32, 105,797.55 and 29,986

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Solution

The fourth proportional to 70,560.32, 105,797.55 and 29,986 is: 44,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,560.32 : 105,797.55 = 29,986 : x
  2. Step 2: Convert to fraction form
    70,560.32/105,797.55 = 29,986/x
  3. Step 3: Cross multiply
    70,560.32x = 105,797.55 × 29,986
  4. Step 4: Simplify right side
    70,560.32x = 3,172,445,334.30
  5. Step 5: Solve for x
    x = 3,172,445,334.30/70,560.32
  6. Step 6: Final answer
    x = 44,960.76

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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.