Home / 92,850.71-139,468.03-75,101.18

Finding the Fourth Proportional to 92,850.71, 139,468.03 and 75,101.18

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Solution

The fourth proportional to 92,850.71, 139,468.03 and 75,101.18 is: 112,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.71 : 139,468.03 = 75,101.18 : x
  2. Step 2: Convert to fraction form
    92,850.71/139,468.03 = 75,101.18/x
  3. Step 3: Cross multiply
    92,850.71x = 139,468.03 × 75,101.18
  4. Step 4: Simplify right side
    92,850.71x = 10,474,212,740.18
  5. Step 5: Solve for x
    x = 10,474,212,740.18/92,850.71
  6. Step 6: Final answer
    x = 112,807.04

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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.