Home / 88,133.28-132,180.48-25,808.64

Finding the Fourth Proportional to 88,133.28, 132,180.48 and 25,808.64

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Solution

The fourth proportional to 88,133.28, 132,180.48 and 25,808.64 is: 38,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.28 : 132,180.48 = 25,808.64 : x
  2. Step 2: Convert to fraction form
    88,133.28/132,180.48 = 25,808.64/x
  3. Step 3: Cross multiply
    88,133.28x = 132,180.48 × 25,808.64
  4. Step 4: Simplify right side
    88,133.28x = 3,411,398,423.35
  5. Step 5: Solve for x
    x = 3,411,398,423.35/88,133.28
  6. Step 6: Final answer
    x = 38,707.27

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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.