Home / 110,533.12-165,750.96-31,629.40

Finding the Fourth Proportional to 110,533.12, 165,750.96 and 31,629.40

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Solution

The fourth proportional to 110,533.12, 165,750.96 and 31,629.40 is: 47,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,533.12 : 165,750.96 = 31,629.40 : x
  2. Step 2: Convert to fraction form
    110,533.12/165,750.96 = 31,629.40/x
  3. Step 3: Cross multiply
    110,533.12x = 165,750.96 × 31,629.40
  4. Step 4: Simplify right side
    110,533.12x = 5,242,603,414.22
  5. Step 5: Solve for x
    x = 5,242,603,414.22/110,533.12
  6. Step 6: Final answer
    x = 47,430.16

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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.