Home / 110,542.32-165,812.81-31,656.56

Finding the Fourth Proportional to 110,542.32, 165,812.81 and 31,656.56

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Solution

The fourth proportional to 110,542.32, 165,812.81 and 31,656.56 is: 47,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,542.32 : 165,812.81 = 31,656.56 : x
  2. Step 2: Convert to fraction form
    110,542.32/165,812.81 = 31,656.56/x
  3. Step 3: Cross multiply
    110,542.32x = 165,812.81 × 31,656.56
  4. Step 4: Simplify right side
    110,542.32x = 5,249,062,181.19
  5. Step 5: Solve for x
    x = 5,249,062,181.19/110,542.32
  6. Step 6: Final answer
    x = 47,484.64

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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.