Home / 86,861.05-130,314.04-50,867.90

Finding the Fourth Proportional to 86,861.05, 130,314.04 and 50,867.90

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Solution

The fourth proportional to 86,861.05, 130,314.04 and 50,867.90 is: 76,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,861.05 : 130,314.04 = 50,867.90 : x
  2. Step 2: Convert to fraction form
    86,861.05/130,314.04 = 50,867.90/x
  3. Step 3: Cross multiply
    86,861.05x = 130,314.04 × 50,867.90
  4. Step 4: Simplify right side
    86,861.05x = 6,628,800,776.58
  5. Step 5: Solve for x
    x = 6,628,800,776.58/86,861.05
  6. Step 6: Final answer
    x = 76,315.00

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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.