Home / 87,215.70-130,826.10-24,036.78

Finding the Fourth Proportional to 87,215.70, 130,826.10 and 24,036.78

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Solution

The fourth proportional to 87,215.70, 130,826.10 and 24,036.78 is: 36,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,215.70 : 130,826.10 = 24,036.78 : x
  2. Step 2: Convert to fraction form
    87,215.70/130,826.10 = 24,036.78/x
  3. Step 3: Cross multiply
    87,215.70x = 130,826.10 × 24,036.78
  4. Step 4: Simplify right side
    87,215.70x = 3,144,638,183.96
  5. Step 5: Solve for x
    x = 3,144,638,183.96/87,215.70
  6. Step 6: Final answer
    x = 36,055.87

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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.