Home / 70,277.43-105,247.23-40,200.48

Finding the Fourth Proportional to 70,277.43, 105,247.23 and 40,200.48

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Solution

The fourth proportional to 70,277.43, 105,247.23 and 40,200.48 is: 60,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,277.43 : 105,247.23 = 40,200.48 : x
  2. Step 2: Convert to fraction form
    70,277.43/105,247.23 = 40,200.48/x
  3. Step 3: Cross multiply
    70,277.43x = 105,247.23 × 40,200.48
  4. Step 4: Simplify right side
    70,277.43x = 4,230,989,164.67
  5. Step 5: Solve for x
    x = 4,230,989,164.67/70,277.43
  6. Step 6: Final answer
    x = 60,204.10

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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.