Home / 98,040.80-135,296.28-55,599.32

Finding the Fourth Proportional to 98,040.80, 135,296.28 and 55,599.32

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Solution

The fourth proportional to 98,040.80, 135,296.28 and 55,599.32 is: 76,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,040.80 : 135,296.28 = 55,599.32 : x
  2. Step 2: Convert to fraction form
    98,040.80/135,296.28 = 55,599.32/x
  3. Step 3: Cross multiply
    98,040.80x = 135,296.28 × 55,599.32
  4. Step 4: Simplify right side
    98,040.80x = 7,522,381,166.53
  5. Step 5: Solve for x
    x = 7,522,381,166.53/98,040.80
  6. Step 6: Final answer
    x = 76,727.05

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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.