Home / 88,258.14-121,797.06-47,972

Finding the Fourth Proportional to 88,258.14, 121,797.06 and 47,972

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Solution

The fourth proportional to 88,258.14, 121,797.06 and 47,972 is: 66,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,258.14 : 121,797.06 = 47,972 : x
  2. Step 2: Convert to fraction form
    88,258.14/121,797.06 = 47,972/x
  3. Step 3: Cross multiply
    88,258.14x = 121,797.06 × 47,972
  4. Step 4: Simplify right side
    88,258.14x = 5,842,848,562.32
  5. Step 5: Solve for x
    x = 5,842,848,562.32/88,258.14
  6. Step 6: Final answer
    x = 66,201.81

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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.