Home / 75,534.62-113,199.86-28,761.98

Finding the Fourth Proportional to 75,534.62, 113,199.86 and 28,761.98

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Solution

The fourth proportional to 75,534.62, 113,199.86 and 28,761.98 is: 43,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,534.62 : 113,199.86 = 28,761.98 : x
  2. Step 2: Convert to fraction form
    75,534.62/113,199.86 = 28,761.98/x
  3. Step 3: Cross multiply
    75,534.62x = 113,199.86 × 28,761.98
  4. Step 4: Simplify right side
    75,534.62x = 3,255,852,109.32
  5. Step 5: Solve for x
    x = 3,255,852,109.32/75,534.62
  6. Step 6: Final answer
    x = 43,104.10

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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.