Home / 45,984.15-68,963.27-19,717.47

Finding the Fourth Proportional to 45,984.15, 68,963.27 and 19,717.47

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Solution

The fourth proportional to 45,984.15, 68,963.27 and 19,717.47 is: 29,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,984.15 : 68,963.27 = 19,717.47 : x
  2. Step 2: Convert to fraction form
    45,984.15/68,963.27 = 19,717.47/x
  3. Step 3: Cross multiply
    45,984.15x = 68,963.27 × 19,717.47
  4. Step 4: Simplify right side
    45,984.15x = 1,359,781,108.74
  5. Step 5: Solve for x
    x = 1,359,781,108.74/45,984.15
  6. Step 6: Final answer
    x = 29,570.65

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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.