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Finding the Fourth Proportional to 110,002.96, 165,005.07 and 39,880.45

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Solution

The fourth proportional to 110,002.96, 165,005.07 and 39,880.45 is: 59,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,002.96 : 165,005.07 = 39,880.45 : x
  2. Step 2: Convert to fraction form
    110,002.96/165,005.07 = 39,880.45/x
  3. Step 3: Cross multiply
    110,002.96x = 165,005.07 × 39,880.45
  4. Step 4: Simplify right side
    110,002.96x = 6,580,476,443.88
  5. Step 5: Solve for x
    x = 6,580,476,443.88/110,002.96
  6. Step 6: Final answer
    x = 59,820.90

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1.5x scale

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.