Home / 75,497.47-113,257.14-28,108.69

Finding the Fourth Proportional to 75,497.47, 113,257.14 and 28,108.69

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Solution

The fourth proportional to 75,497.47, 113,257.14 and 28,108.69 is: 42,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,497.47 : 113,257.14 = 28,108.69 : x
  2. Step 2: Convert to fraction form
    75,497.47/113,257.14 = 28,108.69/x
  3. Step 3: Cross multiply
    75,497.47x = 113,257.14 × 28,108.69
  4. Step 4: Simplify right side
    75,497.47x = 3,183,509,838.55
  5. Step 5: Solve for x
    x = 3,183,509,838.55/75,497.47
  6. Step 6: Final answer
    x = 42,167.11

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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.