Home / 75,408.03-113,111.92-19,248.13

Finding the Fourth Proportional to 75,408.03, 113,111.92 and 19,248.13

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Solution

The fourth proportional to 75,408.03, 113,111.92 and 19,248.13 is: 28,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,408.03 : 113,111.92 = 19,248.13 : x
  2. Step 2: Convert to fraction form
    75,408.03/113,111.92 = 19,248.13/x
  3. Step 3: Cross multiply
    75,408.03x = 113,111.92 × 19,248.13
  4. Step 4: Simplify right side
    75,408.03x = 2,177,192,327.03
  5. Step 5: Solve for x
    x = 2,177,192,327.03/75,408.03
  6. Step 6: Final answer
    x = 28,872.16

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1.5x scale

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.