Home / 65,531.69-98,297.57-19,939.76

Finding the Fourth Proportional to 65,531.69, 98,297.57 and 19,939.76

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Solution

The fourth proportional to 65,531.69, 98,297.57 and 19,939.76 is: 29,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531.69 : 98,297.57 = 19,939.76 : x
  2. Step 2: Convert to fraction form
    65,531.69/98,297.57 = 19,939.76/x
  3. Step 3: Cross multiply
    65,531.69x = 98,297.57 × 19,939.76
  4. Step 4: Simplify right side
    65,531.69x = 1,960,029,512.74
  5. Step 5: Solve for x
    x = 1,960,029,512.74/65,531.69
  6. Step 6: Final answer
    x = 29,909.65

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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.