Home / 88,260.14-121,799.82-47,974

Finding the Fourth Proportional to 88,260.14, 121,799.82 and 47,974

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Solution

The fourth proportional to 88,260.14, 121,799.82 and 47,974 is: 66,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.14 : 121,799.82 = 47,974 : x
  2. Step 2: Convert to fraction form
    88,260.14/121,799.82 = 47,974/x
  3. Step 3: Cross multiply
    88,260.14x = 121,799.82 × 47,974
  4. Step 4: Simplify right side
    88,260.14x = 5,843,224,564.68
  5. Step 5: Solve for x
    x = 5,843,224,564.68/88,260.14
  6. Step 6: Final answer
    x = 66,204.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.