Home / 86,976.03-130,459.83-50,972.55

Finding the Fourth Proportional to 86,976.03, 130,459.83 and 50,972.55

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Solution

The fourth proportional to 86,976.03, 130,459.83 and 50,972.55 is: 76,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976.03 : 130,459.83 = 50,972.55 : x
  2. Step 2: Convert to fraction form
    86,976.03/130,459.83 = 50,972.55/x
  3. Step 3: Cross multiply
    86,976.03x = 130,459.83 × 50,972.55
  4. Step 4: Simplify right side
    86,976.03x = 6,649,870,207.67
  5. Step 5: Solve for x
    x = 6,649,870,207.67/86,976.03
  6. Step 6: Final answer
    x = 76,456.35

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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.