Home / 45,204.89-67,802.12-11,927.62

Finding the Fourth Proportional to 45,204.89, 67,802.12 and 11,927.62

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Solution

The fourth proportional to 45,204.89, 67,802.12 and 11,927.62 is: 17,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,204.89 : 67,802.12 = 11,927.62 : x
  2. Step 2: Convert to fraction form
    45,204.89/67,802.12 = 11,927.62/x
  3. Step 3: Cross multiply
    45,204.89x = 67,802.12 × 11,927.62
  4. Step 4: Simplify right side
    45,204.89x = 808,717,523.91
  5. Step 5: Solve for x
    x = 808,717,523.91/45,204.89
  6. Step 6: Final answer
    x = 17,890.05

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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.