Home / 86,722.67-130,081.03-36,770.60

Finding the Fourth Proportional to 86,722.67, 130,081.03 and 36,770.60

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Solution

The fourth proportional to 86,722.67, 130,081.03 and 36,770.60 is: 55,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,722.67 : 130,081.03 = 36,770.60 : x
  2. Step 2: Convert to fraction form
    86,722.67/130,081.03 = 36,770.60/x
  3. Step 3: Cross multiply
    86,722.67x = 130,081.03 × 36,770.60
  4. Step 4: Simplify right side
    86,722.67x = 4,783,157,521.72
  5. Step 5: Solve for x
    x = 4,783,157,521.72/86,722.67
  6. Step 6: Final answer
    x = 55,154.64

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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.