Home / 98,049.34-135,303.12-55,611.82

Finding the Fourth Proportional to 98,049.34, 135,303.12 and 55,611.82

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Solution

The fourth proportional to 98,049.34, 135,303.12 and 55,611.82 is: 76,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,049.34 : 135,303.12 = 55,611.82 : x
  2. Step 2: Convert to fraction form
    98,049.34/135,303.12 = 55,611.82/x
  3. Step 3: Cross multiply
    98,049.34x = 135,303.12 × 55,611.82
  4. Step 4: Simplify right side
    98,049.34x = 7,524,452,754.88
  5. Step 5: Solve for x
    x = 7,524,452,754.88/98,049.34
  6. Step 6: Final answer
    x = 76,741.49

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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.