Home / 45,543.17-68,337.99-30,721.03

Finding the Fourth Proportional to 45,543.17, 68,337.99 and 30,721.03

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Solution

The fourth proportional to 45,543.17, 68,337.99 and 30,721.03 is: 46,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.17 : 68,337.99 = 30,721.03 : x
  2. Step 2: Convert to fraction form
    45,543.17/68,337.99 = 30,721.03/x
  3. Step 3: Cross multiply
    45,543.17x = 68,337.99 × 30,721.03
  4. Step 4: Simplify right side
    45,543.17x = 2,099,413,270.08
  5. Step 5: Solve for x
    x = 2,099,413,270.08/45,543.17
  6. Step 6: Final answer
    x = 46,097.21

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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.