Home / 88,465.33-121,939.87-59,776.03

Finding the Fourth Proportional to 88,465.33, 121,939.87 and 59,776.03

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Solution

The fourth proportional to 88,465.33, 121,939.87 and 59,776.03 is: 82,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,465.33 : 121,939.87 = 59,776.03 : x
  2. Step 2: Convert to fraction form
    88,465.33/121,939.87 = 59,776.03/x
  3. Step 3: Cross multiply
    88,465.33x = 121,939.87 × 59,776.03
  4. Step 4: Simplify right side
    88,465.33x = 7,289,081,028.44
  5. Step 5: Solve for x
    x = 7,289,081,028.44/88,465.33
  6. Step 6: Final answer
    x = 82,394.78

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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.