Home / 98,987.28-148,449.66-32,412.09

Finding the Fourth Proportional to 98,987.28, 148,449.66 and 32,412.09

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Solution

The fourth proportional to 98,987.28, 148,449.66 and 32,412.09 is: 48,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,987.28 : 148,449.66 = 32,412.09 : x
  2. Step 2: Convert to fraction form
    98,987.28/148,449.66 = 32,412.09/x
  3. Step 3: Cross multiply
    98,987.28x = 148,449.66 × 32,412.09
  4. Step 4: Simplify right side
    98,987.28x = 4,811,563,740.39
  5. Step 5: Solve for x
    x = 4,811,563,740.39/98,987.28
  6. Step 6: Final answer
    x = 48,607.90

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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.