Home / 88,169.39-121,673.73-47,883.16

Finding the Fourth Proportional to 88,169.39, 121,673.73 and 47,883.16

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Solution

The fourth proportional to 88,169.39, 121,673.73 and 47,883.16 is: 66,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.39 : 121,673.73 = 47,883.16 : x
  2. Step 2: Convert to fraction form
    88,169.39/121,673.73 = 47,883.16/x
  3. Step 3: Cross multiply
    88,169.39x = 121,673.73 × 47,883.16
  4. Step 4: Simplify right side
    88,169.39x = 5,826,122,653.92
  5. Step 5: Solve for x
    x = 5,826,122,653.92/88,169.39
  6. Step 6: Final answer
    x = 66,078.75

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1.5x scale

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.