Home / 92,135.32-138,202.51-35,981.13

Finding the Fourth Proportional to 92,135.32, 138,202.51 and 35,981.13

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Solution

The fourth proportional to 92,135.32, 138,202.51 and 35,981.13 is: 53,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,135.32 : 138,202.51 = 35,981.13 : x
  2. Step 2: Convert to fraction form
    92,135.32/138,202.51 = 35,981.13/x
  3. Step 3: Cross multiply
    92,135.32x = 138,202.51 × 35,981.13
  4. Step 4: Simplify right side
    92,135.32x = 4,972,682,478.64
  5. Step 5: Solve for x
    x = 4,972,682,478.64/92,135.32
  6. Step 6: Final answer
    x = 53,971.51

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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.