Home / 88,022-121,470.36-48,278

Finding the Fourth Proportional to 88,022, 121,470.36 and 48,278

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Solution

The fourth proportional to 88,022, 121,470.36 and 48,278 is: 66,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,022 : 121,470.36 = 48,278 : x
  2. Step 2: Convert to fraction form
    88,022/121,470.36 = 48,278/x
  3. Step 3: Cross multiply
    88,022x = 121,470.36 × 48,278
  4. Step 4: Simplify right side
    88,022x = 5,864,346,040.08
  5. Step 5: Solve for x
    x = 5,864,346,040.08/88,022
  6. Step 6: Final answer
    x = 66,623.64

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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.