Home / 75,052.32-112,578.48-28,294.28

Finding the Fourth Proportional to 75,052.32, 112,578.48 and 28,294.28

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Solution

The fourth proportional to 75,052.32, 112,578.48 and 28,294.28 is: 42,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,052.32 : 112,578.48 = 28,294.28 : x
  2. Step 2: Convert to fraction form
    75,052.32/112,578.48 = 28,294.28/x
  3. Step 3: Cross multiply
    75,052.32x = 112,578.48 × 28,294.28
  4. Step 4: Simplify right side
    75,052.32x = 3,185,327,035.09
  5. Step 5: Solve for x
    x = 3,185,327,035.09/75,052.32
  6. Step 6: Final answer
    x = 42,441.42

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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.