Home / 211,832.61-317,748.66-54,061.08

Finding the Fourth Proportional to 211,832.61, 317,748.66 and 54,061.08

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Solution

The fourth proportional to 211,832.61, 317,748.66 and 54,061.08 is: 81,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,832.61 : 317,748.66 = 54,061.08 : x
  2. Step 2: Convert to fraction form
    211,832.61/317,748.66 = 54,061.08/x
  3. Step 3: Cross multiply
    211,832.61x = 317,748.66 × 54,061.08
  4. Step 4: Simplify right side
    211,832.61x = 17,177,835,728.15
  5. Step 5: Solve for x
    x = 17,177,835,728.15/211,832.61
  6. Step 6: Final answer
    x = 81,091.55

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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.