Home / 110,009.90-165,071.17-52,372.38

Finding the Fourth Proportional to 110,009.90, 165,071.17 and 52,372.38

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Solution

The fourth proportional to 110,009.90, 165,071.17 and 52,372.38 is: 78,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,009.90 : 165,071.17 = 52,372.38 : x
  2. Step 2: Convert to fraction form
    110,009.90/165,071.17 = 52,372.38/x
  3. Step 3: Cross multiply
    110,009.90x = 165,071.17 × 52,372.38
  4. Step 4: Simplify right side
    110,009.90x = 8,645,169,326.75
  5. Step 5: Solve for x
    x = 8,645,169,326.75/110,009.90
  6. Step 6: Final answer
    x = 78,585.38

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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.