Home / 98,122.03-135,409.83-55,110.84

Finding the Fourth Proportional to 98,122.03, 135,409.83 and 55,110.84

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Solution

The fourth proportional to 98,122.03, 135,409.83 and 55,110.84 is: 76,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,122.03 : 135,409.83 = 55,110.84 : x
  2. Step 2: Convert to fraction form
    98,122.03/135,409.83 = 55,110.84/x
  3. Step 3: Cross multiply
    98,122.03x = 135,409.83 × 55,110.84
  4. Step 4: Simplify right side
    98,122.03x = 7,462,549,475.56
  5. Step 5: Solve for x
    x = 7,462,549,475.56/98,122.03
  6. Step 6: Final answer
    x = 76,053.76

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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.