Home / 98,725.82-136,198.37-57,869.24

Finding the Fourth Proportional to 98,725.82, 136,198.37 and 57,869.24

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Solution

The fourth proportional to 98,725.82, 136,198.37 and 57,869.24 is: 79,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,725.82 : 136,198.37 = 57,869.24 : x
  2. Step 2: Convert to fraction form
    98,725.82/136,198.37 = 57,869.24/x
  3. Step 3: Cross multiply
    98,725.82x = 136,198.37 × 57,869.24
  4. Step 4: Simplify right side
    98,725.82x = 7,881,695,190.80
  5. Step 5: Solve for x
    x = 7,881,695,190.80/98,725.82
  6. Step 6: Final answer
    x = 79,834.18

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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.