Home / 88,109.60-121,587.99-47,822.49

Finding the Fourth Proportional to 88,109.60, 121,587.99 and 47,822.49

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Solution

The fourth proportional to 88,109.60, 121,587.99 and 47,822.49 is: 65,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,109.60 : 121,587.99 = 47,822.49 : x
  2. Step 2: Convert to fraction form
    88,109.60/121,587.99 = 47,822.49/x
  3. Step 3: Cross multiply
    88,109.60x = 121,587.99 × 47,822.49
  4. Step 4: Simplify right side
    88,109.60x = 5,814,640,435.90
  5. Step 5: Solve for x
    x = 5,814,640,435.90/88,109.60
  6. Step 6: Final answer
    x = 65,993.27

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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.