Home / 107,664.49-148,423.03-75,734.29

Finding the Fourth Proportional to 107,664.49, 148,423.03 and 75,734.29

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Solution

The fourth proportional to 107,664.49, 148,423.03 and 75,734.29 is: 104,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,664.49 : 148,423.03 = 75,734.29 : x
  2. Step 2: Convert to fraction form
    107,664.49/148,423.03 = 75,734.29/x
  3. Step 3: Cross multiply
    107,664.49x = 148,423.03 × 75,734.29
  4. Step 4: Simplify right side
    107,664.49x = 11,240,713,218.90
  5. Step 5: Solve for x
    x = 11,240,713,218.90/107,664.49
  6. Step 6: Final answer
    x = 104,405.02

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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.