Home / 70,941.28-106,340.10-45,997.12

Finding the Fourth Proportional to 70,941.28, 106,340.10 and 45,997.12

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Solution

The fourth proportional to 70,941.28, 106,340.10 and 45,997.12 is: 68,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.28 : 106,340.10 = 45,997.12 : x
  2. Step 2: Convert to fraction form
    70,941.28/106,340.10 = 45,997.12/x
  3. Step 3: Cross multiply
    70,941.28x = 106,340.10 × 45,997.12
  4. Step 4: Simplify right side
    70,941.28x = 4,891,338,340.51
  5. Step 5: Solve for x
    x = 4,891,338,340.51/70,941.28
  6. Step 6: Final answer
    x = 68,949.11

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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.