Home / 88,169.87-121,711.67-59,528.34

Finding the Fourth Proportional to 88,169.87, 121,711.67 and 59,528.34

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Solution

The fourth proportional to 88,169.87, 121,711.67 and 59,528.34 is: 82,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.87 : 121,711.67 = 59,528.34 : x
  2. Step 2: Convert to fraction form
    88,169.87/121,711.67 = 59,528.34/x
  3. Step 3: Cross multiply
    88,169.87x = 121,711.67 × 59,528.34
  4. Step 4: Simplify right side
    88,169.87x = 7,245,293,376.09
  5. Step 5: Solve for x
    x = 7,245,293,376.09/88,169.87
  6. Step 6: Final answer
    x = 82,174.26

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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.