Home / 70,560.06-105,872.50-30,591.24

Finding the Fourth Proportional to 70,560.06, 105,872.50 and 30,591.24

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Solution

The fourth proportional to 70,560.06, 105,872.50 and 30,591.24 is: 45,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,560.06 : 105,872.50 = 30,591.24 : x
  2. Step 2: Convert to fraction form
    70,560.06/105,872.50 = 30,591.24/x
  3. Step 3: Cross multiply
    70,560.06x = 105,872.50 × 30,591.24
  4. Step 4: Simplify right side
    70,560.06x = 3,238,771,056.90
  5. Step 5: Solve for x
    x = 3,238,771,056.90/70,560.06
  6. Step 6: Final answer
    x = 45,900.91

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1.5x scale

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.