Home / 88,715.71-133,095.39-26,386.21

Finding the Fourth Proportional to 88,715.71, 133,095.39 and 26,386.21

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Solution

The fourth proportional to 88,715.71, 133,095.39 and 26,386.21 is: 39,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715.71 : 133,095.39 = 26,386.21 : x
  2. Step 2: Convert to fraction form
    88,715.71/133,095.39 = 26,386.21/x
  3. Step 3: Cross multiply
    88,715.71x = 133,095.39 × 26,386.21
  4. Step 4: Simplify right side
    88,715.71x = 3,511,882,910.57
  5. Step 5: Solve for x
    x = 3,511,882,910.57/88,715.71
  6. Step 6: Final answer
    x = 39,585.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.