Home / 110,530.78-165,746.62-40,360.75

Finding the Fourth Proportional to 110,530.78, 165,746.62 and 40,360.75

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Solution

The fourth proportional to 110,530.78, 165,746.62 and 40,360.75 is: 60,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,530.78 : 165,746.62 = 40,360.75 : x
  2. Step 2: Convert to fraction form
    110,530.78/165,746.62 = 40,360.75/x
  3. Step 3: Cross multiply
    110,530.78x = 165,746.62 × 40,360.75
  4. Step 4: Simplify right side
    110,530.78x = 6,689,657,893.17
  5. Step 5: Solve for x
    x = 6,689,657,893.17/110,530.78
  6. Step 6: Final answer
    x = 60,523.03

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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.