Home / 86,834.27-130,270.62-36,956.72

Finding the Fourth Proportional to 86,834.27, 130,270.62 and 36,956.72

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Solution

The fourth proportional to 86,834.27, 130,270.62 and 36,956.72 is: 55,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,834.27 : 130,270.62 = 36,956.72 : x
  2. Step 2: Convert to fraction form
    86,834.27/130,270.62 = 36,956.72/x
  3. Step 3: Cross multiply
    86,834.27x = 130,270.62 × 36,956.72
  4. Step 4: Simplify right side
    86,834.27x = 4,814,374,827.57
  5. Step 5: Solve for x
    x = 4,814,374,827.57/86,834.27
  6. Step 6: Final answer
    x = 55,443.26

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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.