Home / 98,649.12-147,987.72-32,067.84

Finding the Fourth Proportional to 98,649.12, 147,987.72 and 32,067.84

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Solution

The fourth proportional to 98,649.12, 147,987.72 and 32,067.84 is: 48,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,649.12 : 147,987.72 = 32,067.84 : x
  2. Step 2: Convert to fraction form
    98,649.12/147,987.72 = 32,067.84/x
  3. Step 3: Cross multiply
    98,649.12x = 147,987.72 × 32,067.84
  4. Step 4: Simplify right side
    98,649.12x = 4,745,646,526.92
  5. Step 5: Solve for x
    x = 4,745,646,526.92/98,649.12
  6. Step 6: Final answer
    x = 48,106.32

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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.