Home / 103,922.43-155,821.16-40,667.10

Finding the Fourth Proportional to 103,922.43, 155,821.16 and 40,667.10

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Solution

The fourth proportional to 103,922.43, 155,821.16 and 40,667.10 is: 60,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922.43 : 155,821.16 = 40,667.10 : x
  2. Step 2: Convert to fraction form
    103,922.43/155,821.16 = 40,667.10/x
  3. Step 3: Cross multiply
    103,922.43x = 155,821.16 × 40,667.10
  4. Step 4: Simplify right side
    103,922.43x = 6,336,794,492.50
  5. Step 5: Solve for x
    x = 6,336,794,492.50/103,922.43
  6. Step 6: Final answer
    x = 60,976.20

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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.