Home / 60,990.14-91,408.66-32,909.06

Finding the Fourth Proportional to 60,990.14, 91,408.66 and 32,909.06

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Solution

The fourth proportional to 60,990.14, 91,408.66 and 32,909.06 is: 49,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,990.14 : 91,408.66 = 32,909.06 : x
  2. Step 2: Convert to fraction form
    60,990.14/91,408.66 = 32,909.06/x
  3. Step 3: Cross multiply
    60,990.14x = 91,408.66 × 32,909.06
  4. Step 4: Simplify right side
    60,990.14x = 3,008,173,076.46
  5. Step 5: Solve for x
    x = 3,008,173,076.46/60,990.14
  6. Step 6: Final answer
    x = 49,322.29

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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.