Home / 107,955.20-161,714.10-61,153.40

Finding the Fourth Proportional to 107,955.20, 161,714.10 and 61,153.40

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Solution

The fourth proportional to 107,955.20, 161,714.10 and 61,153.40 is: 91,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,955.20 : 161,714.10 = 61,153.40 : x
  2. Step 2: Convert to fraction form
    107,955.20/161,714.10 = 61,153.40/x
  3. Step 3: Cross multiply
    107,955.20x = 161,714.10 × 61,153.40
  4. Step 4: Simplify right side
    107,955.20x = 9,889,367,042.94
  5. Step 5: Solve for x
    x = 9,889,367,042.94/107,955.20
  6. Step 6: Final answer
    x = 91,606.21

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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.