Home / 110,148.40-165,129.72-47,771.92

Finding the Fourth Proportional to 110,148.40, 165,129.72 and 47,771.92

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Solution

The fourth proportional to 110,148.40, 165,129.72 and 47,771.92 is: 71,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,148.40 : 165,129.72 = 47,771.92 : x
  2. Step 2: Convert to fraction form
    110,148.40/165,129.72 = 47,771.92/x
  3. Step 3: Cross multiply
    110,148.40x = 165,129.72 × 47,771.92
  4. Step 4: Simplify right side
    110,148.40x = 7,888,563,773.46
  5. Step 5: Solve for x
    x = 7,888,563,773.46/110,148.40
  6. Step 6: Final answer
    x = 71,617.60

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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.