Home / 54,841.16-75,681.11-29,690.66

Finding the Fourth Proportional to 54,841.16, 75,681.11 and 29,690.66

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Solution

The fourth proportional to 54,841.16, 75,681.11 and 29,690.66 is: 40,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,841.16 : 75,681.11 = 29,690.66 : x
  2. Step 2: Convert to fraction form
    54,841.16/75,681.11 = 29,690.66/x
  3. Step 3: Cross multiply
    54,841.16x = 75,681.11 × 29,690.66
  4. Step 4: Simplify right side
    54,841.16x = 2,247,021,801.25
  5. Step 5: Solve for x
    x = 2,247,021,801.25/54,841.16
  6. Step 6: Final answer
    x = 40,973.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.