Home / 75,681.69-113,540.29-23,091.16

Finding the Fourth Proportional to 75,681.69, 113,540.29 and 23,091.16

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Solution

The fourth proportional to 75,681.69, 113,540.29 and 23,091.16 is: 34,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.69 : 113,540.29 = 23,091.16 : x
  2. Step 2: Convert to fraction form
    75,681.69/113,540.29 = 23,091.16/x
  3. Step 3: Cross multiply
    75,681.69x = 113,540.29 × 23,091.16
  4. Step 4: Simplify right side
    75,681.69x = 2,621,777,002.84
  5. Step 5: Solve for x
    x = 2,621,777,002.84/75,681.69
  6. Step 6: Final answer
    x = 34,642.16

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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.