Home / 86,409.19-129,585.75-33,098.33

Finding the Fourth Proportional to 86,409.19, 129,585.75 and 33,098.33

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Solution

The fourth proportional to 86,409.19, 129,585.75 and 33,098.33 is: 49,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,409.19 : 129,585.75 = 33,098.33 : x
  2. Step 2: Convert to fraction form
    86,409.19/129,585.75 = 33,098.33/x
  3. Step 3: Cross multiply
    86,409.19x = 129,585.75 × 33,098.33
  4. Step 4: Simplify right side
    86,409.19x = 4,289,071,387.72
  5. Step 5: Solve for x
    x = 4,289,071,387.72/86,409.19
  6. Step 6: Final answer
    x = 49,636.75

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1.5x scale

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.