Home / 53,569.82-80,344.28-39,398.06

Finding the Fourth Proportional to 53,569.82, 80,344.28 and 39,398.06

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Solution

The fourth proportional to 53,569.82, 80,344.28 and 39,398.06 is: 59,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,569.82 : 80,344.28 = 39,398.06 : x
  2. Step 2: Convert to fraction form
    53,569.82/80,344.28 = 39,398.06/x
  3. Step 3: Cross multiply
    53,569.82x = 80,344.28 × 39,398.06
  4. Step 4: Simplify right side
    53,569.82x = 3,165,408,764.10
  5. Step 5: Solve for x
    x = 3,165,408,764.10/53,569.82
  6. Step 6: Final answer
    x = 59,089.40

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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.