Home / 53,645.84-74,031.30-29,772.53

Finding the Fourth Proportional to 53,645.84, 74,031.30 and 29,772.53

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Solution

The fourth proportional to 53,645.84, 74,031.30 and 29,772.53 is: 41,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,645.84 : 74,031.30 = 29,772.53 : x
  2. Step 2: Convert to fraction form
    53,645.84/74,031.30 = 29,772.53/x
  3. Step 3: Cross multiply
    53,645.84x = 74,031.30 × 29,772.53
  4. Step 4: Simplify right side
    53,645.84x = 2,204,099,100.19
  5. Step 5: Solve for x
    x = 2,204,099,100.19/53,645.84
  6. Step 6: Final answer
    x = 41,086.11

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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.