Home / 91,066.18-136,392.99-48,872.74

Finding the Fourth Proportional to 91,066.18, 136,392.99 and 48,872.74

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Solution

The fourth proportional to 91,066.18, 136,392.99 and 48,872.74 is: 73,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,066.18 : 136,392.99 = 48,872.74 : x
  2. Step 2: Convert to fraction form
    91,066.18/136,392.99 = 48,872.74/x
  3. Step 3: Cross multiply
    91,066.18x = 136,392.99 × 48,872.74
  4. Step 4: Simplify right side
    91,066.18x = 6,665,899,138.09
  5. Step 5: Solve for x
    x = 6,665,899,138.09/91,066.18
  6. Step 6: Final answer
    x = 73,198.41

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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.