Home / 98,132.67-135,422.71-55,106.19

Finding the Fourth Proportional to 98,132.67, 135,422.71 and 55,106.19

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Solution

The fourth proportional to 98,132.67, 135,422.71 and 55,106.19 is: 76,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,132.67 : 135,422.71 = 55,106.19 : x
  2. Step 2: Convert to fraction form
    98,132.67/135,422.71 = 55,106.19/x
  3. Step 3: Cross multiply
    98,132.67x = 135,422.71 × 55,106.19
  4. Step 4: Simplify right side
    98,132.67x = 7,462,629,449.81
  5. Step 5: Solve for x
    x = 7,462,629,449.81/98,132.67
  6. Step 6: Final answer
    x = 76,046.33

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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.