Home / 86,956.28-130,434.42-24,626.78

Finding the Fourth Proportional to 86,956.28, 130,434.42 and 24,626.78

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Solution

The fourth proportional to 86,956.28, 130,434.42 and 24,626.78 is: 36,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,956.28 : 130,434.42 = 24,626.78 : x
  2. Step 2: Convert to fraction form
    86,956.28/130,434.42 = 24,626.78/x
  3. Step 3: Cross multiply
    86,956.28x = 130,434.42 × 24,626.78
  4. Step 4: Simplify right side
    86,956.28x = 3,212,179,765.77
  5. Step 5: Solve for x
    x = 3,212,179,765.77/86,956.28
  6. Step 6: Final answer
    x = 36,940.17

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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.