Home / 98,041.80-135,297.66-55,600.32

Finding the Fourth Proportional to 98,041.80, 135,297.66 and 55,600.32

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Solution

The fourth proportional to 98,041.80, 135,297.66 and 55,600.32 is: 76,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,041.80 : 135,297.66 = 55,600.32 : x
  2. Step 2: Convert to fraction form
    98,041.80/135,297.66 = 55,600.32/x
  3. Step 3: Cross multiply
    98,041.80x = 135,297.66 × 55,600.32
  4. Step 4: Simplify right side
    98,041.80x = 7,522,593,191.25
  5. Step 5: Solve for x
    x = 7,522,593,191.25/98,041.80
  6. Step 6: Final answer
    x = 76,728.43

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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.