Home / 115,609.71-173,428.44-40,714.36

Finding the Fourth Proportional to 115,609.71, 173,428.44 and 40,714.36

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Solution

The fourth proportional to 115,609.71, 173,428.44 and 40,714.36 is: 61,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.71 : 173,428.44 = 40,714.36 : x
  2. Step 2: Convert to fraction form
    115,609.71/173,428.44 = 40,714.36/x
  3. Step 3: Cross multiply
    115,609.71x = 173,428.44 × 40,714.36
  4. Step 4: Simplify right side
    115,609.71x = 7,061,027,940.40
  5. Step 5: Solve for x
    x = 7,061,027,940.40/115,609.71
  6. Step 6: Final answer
    x = 61,076.43

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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.