Home / 115,016.68-172,598.77-55,820.08

Finding the Fourth Proportional to 115,016.68, 172,598.77 and 55,820.08

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Solution

The fourth proportional to 115,016.68, 172,598.77 and 55,820.08 is: 83,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,016.68 : 172,598.77 = 55,820.08 : x
  2. Step 2: Convert to fraction form
    115,016.68/172,598.77 = 55,820.08/x
  3. Step 3: Cross multiply
    115,016.68x = 172,598.77 × 55,820.08
  4. Step 4: Simplify right side
    115,016.68x = 9,634,476,286.31
  5. Step 5: Solve for x
    x = 9,634,476,286.31/115,016.68
  6. Step 6: Final answer
    x = 83,765.91

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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.