Home / 86,200.69-118,998.78-57,537.33

Finding the Fourth Proportional to 86,200.69, 118,998.78 and 57,537.33

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Solution

The fourth proportional to 86,200.69, 118,998.78 and 57,537.33 is: 79,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200.69 : 118,998.78 = 57,537.33 : x
  2. Step 2: Convert to fraction form
    86,200.69/118,998.78 = 57,537.33/x
  3. Step 3: Cross multiply
    86,200.69x = 118,998.78 × 57,537.33
  4. Step 4: Simplify right side
    86,200.69x = 6,846,872,074.46
  5. Step 5: Solve for x
    x = 6,846,872,074.46/86,200.69
  6. Step 6: Final answer
    x = 79,429.43

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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.