Home / 110,543.12-165,765.96-31,639.44

Finding the Fourth Proportional to 110,543.12, 165,765.96 and 31,639.44

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Solution

The fourth proportional to 110,543.12, 165,765.96 and 31,639.44 is: 47,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.12 : 165,765.96 = 31,639.44 : x
  2. Step 2: Convert to fraction form
    110,543.12/165,765.96 = 31,639.44/x
  3. Step 3: Cross multiply
    110,543.12x = 165,765.96 × 31,639.44
  4. Step 4: Simplify right side
    110,543.12x = 5,244,742,145.46
  5. Step 5: Solve for x
    x = 5,244,742,145.46/110,543.12
  6. Step 6: Final answer
    x = 47,445.22

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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.