Home / 42,537.81-63,806.72-11,372.25

Finding the Fourth Proportional to 42,537.81, 63,806.72 and 11,372.25

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Solution

The fourth proportional to 42,537.81, 63,806.72 and 11,372.25 is: 17,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,537.81 : 63,806.72 = 11,372.25 : x
  2. Step 2: Convert to fraction form
    42,537.81/63,806.72 = 11,372.25/x
  3. Step 3: Cross multiply
    42,537.81x = 63,806.72 × 11,372.25
  4. Step 4: Simplify right side
    42,537.81x = 725,625,914.66
  5. Step 5: Solve for x
    x = 725,625,914.66/42,537.81
  6. Step 6: Final answer
    x = 17,058.38

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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.