Home / 86,855.75-130,288.79-33,548.13

Finding the Fourth Proportional to 86,855.75, 130,288.79 and 33,548.13

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Solution

The fourth proportional to 86,855.75, 130,288.79 and 33,548.13 is: 50,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,855.75 : 130,288.79 = 33,548.13 : x
  2. Step 2: Convert to fraction form
    86,855.75/130,288.79 = 33,548.13/x
  3. Step 3: Cross multiply
    86,855.75x = 130,288.79 × 33,548.13
  4. Step 4: Simplify right side
    86,855.75x = 4,370,945,264.46
  5. Step 5: Solve for x
    x = 4,370,945,264.46/86,855.75
  6. Step 6: Final answer
    x = 50,324.19

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1.5x scale

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.