Home / 88,355.97-121,936.37-50,117.04

Finding the Fourth Proportional to 88,355.97, 121,936.37 and 50,117.04

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Solution

The fourth proportional to 88,355.97, 121,936.37 and 50,117.04 is: 69,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,355.97 : 121,936.37 = 50,117.04 : x
  2. Step 2: Convert to fraction form
    88,355.97/121,936.37 = 50,117.04/x
  3. Step 3: Cross multiply
    88,355.97x = 121,936.37 × 50,117.04
  4. Step 4: Simplify right side
    88,355.97x = 6,111,089,682.16
  5. Step 5: Solve for x
    x = 6,111,089,682.16/88,355.97
  6. Step 6: Final answer
    x = 69,164.42

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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.