Home / 65,479.23-98,218.86-18,732.11

Finding the Fourth Proportional to 65,479.23, 98,218.86 and 18,732.11

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Solution

The fourth proportional to 65,479.23, 98,218.86 and 18,732.11 is: 28,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,479.23 : 98,218.86 = 18,732.11 : x
  2. Step 2: Convert to fraction form
    65,479.23/98,218.86 = 18,732.11/x
  3. Step 3: Cross multiply
    65,479.23x = 98,218.86 × 18,732.11
  4. Step 4: Simplify right side
    65,479.23x = 1,839,845,998.50
  5. Step 5: Solve for x
    x = 1,839,845,998.50/65,479.23
  6. Step 6: Final answer
    x = 28,098.16

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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.