Home / 86,979.33-130,460.76-27,799.11

Finding the Fourth Proportional to 86,979.33, 130,460.76 and 27,799.11

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Solution

The fourth proportional to 86,979.33, 130,460.76 and 27,799.11 is: 41,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,979.33 : 130,460.76 = 27,799.11 : x
  2. Step 2: Convert to fraction form
    86,979.33/130,460.76 = 27,799.11/x
  3. Step 3: Cross multiply
    86,979.33x = 130,460.76 × 27,799.11
  4. Step 4: Simplify right side
    86,979.33x = 3,626,693,017.92
  5. Step 5: Solve for x
    x = 3,626,693,017.92/86,979.33
  6. Step 6: Final answer
    x = 41,696.03

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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.