Home / 88,138.68-132,210.44-25,809.18

Finding the Fourth Proportional to 88,138.68, 132,210.44 and 25,809.18

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Solution

The fourth proportional to 88,138.68, 132,210.44 and 25,809.18 is: 38,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138.68 : 132,210.44 = 25,809.18 : x
  2. Step 2: Convert to fraction form
    88,138.68/132,210.44 = 25,809.18/x
  3. Step 3: Cross multiply
    88,138.68x = 132,210.44 × 25,809.18
  4. Step 4: Simplify right side
    88,138.68x = 3,412,243,043.84
  5. Step 5: Solve for x
    x = 3,412,243,043.84/88,138.68
  6. Step 6: Final answer
    x = 38,714.48

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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.