Home / 86,716.80-130,074.56-27,557.12

Finding the Fourth Proportional to 86,716.80, 130,074.56 and 27,557.12

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Solution

The fourth proportional to 86,716.80, 130,074.56 and 27,557.12 is: 41,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716.80 : 130,074.56 = 27,557.12 : x
  2. Step 2: Convert to fraction form
    86,716.80/130,074.56 = 27,557.12/x
  3. Step 3: Cross multiply
    86,716.80x = 130,074.56 × 27,557.12
  4. Step 4: Simplify right side
    86,716.80x = 3,584,480,258.87
  5. Step 5: Solve for x
    x = 3,584,480,258.87/86,716.80
  6. Step 6: Final answer
    x = 41,335.48

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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.