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Finding the Fourth Proportional to 110,320.62, 165,480.99 and 47,087.58

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Solution

The fourth proportional to 110,320.62, 165,480.99 and 47,087.58 is: 70,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,320.62 : 165,480.99 = 47,087.58 : x
  2. Step 2: Convert to fraction form
    110,320.62/165,480.99 = 47,087.58/x
  3. Step 3: Cross multiply
    110,320.62x = 165,480.99 × 47,087.58
  4. Step 4: Simplify right side
    110,320.62x = 7,792,099,355.10
  5. Step 5: Solve for x
    x = 7,792,099,355.10/110,320.62
  6. Step 6: Final answer
    x = 70,631.40

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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.