Home / 86,947.66-130,440.20-26,974.94

Finding the Fourth Proportional to 86,947.66, 130,440.20 and 26,974.94

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Solution

The fourth proportional to 86,947.66, 130,440.20 and 26,974.94 is: 40,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947.66 : 130,440.20 = 26,974.94 : x
  2. Step 2: Convert to fraction form
    86,947.66/130,440.20 = 26,974.94/x
  3. Step 3: Cross multiply
    86,947.66x = 130,440.20 × 26,974.94
  4. Step 4: Simplify right side
    86,947.66x = 3,518,616,568.59
  5. Step 5: Solve for x
    x = 3,518,616,568.59/86,947.66
  6. Step 6: Final answer
    x = 40,468.21

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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.