Home / 45,689.56-68,541.54-14,531.80

Finding the Fourth Proportional to 45,689.56, 68,541.54 and 14,531.80

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Solution

The fourth proportional to 45,689.56, 68,541.54 and 14,531.80 is: 21,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,689.56 : 68,541.54 = 14,531.80 : x
  2. Step 2: Convert to fraction form
    45,689.56/68,541.54 = 14,531.80/x
  3. Step 3: Cross multiply
    45,689.56x = 68,541.54 × 14,531.80
  4. Step 4: Simplify right side
    45,689.56x = 996,031,950.97
  5. Step 5: Solve for x
    x = 996,031,950.97/45,689.56
  6. Step 6: Final answer
    x = 21,799.99

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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.