Home / 86,719.45-130,079.19-24,389.95

Finding the Fourth Proportional to 86,719.45, 130,079.19 and 24,389.95

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Solution

The fourth proportional to 86,719.45, 130,079.19 and 24,389.95 is: 36,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,719.45 : 130,079.19 = 24,389.95 : x
  2. Step 2: Convert to fraction form
    86,719.45/130,079.19 = 24,389.95/x
  3. Step 3: Cross multiply
    86,719.45x = 130,079.19 × 24,389.95
  4. Step 4: Simplify right side
    86,719.45x = 3,172,624,940.14
  5. Step 5: Solve for x
    x = 3,172,624,940.14/86,719.45
  6. Step 6: Final answer
    x = 36,584.93

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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.