Home / 71,124.20-106,589.10-47,364.20

Finding the Fourth Proportional to 71,124.20, 106,589.10 and 47,364.20

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Solution

The fourth proportional to 71,124.20, 106,589.10 and 47,364.20 is: 70,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,124.20 : 106,589.10 = 47,364.20 : x
  2. Step 2: Convert to fraction form
    71,124.20/106,589.10 = 47,364.20/x
  3. Step 3: Cross multiply
    71,124.20x = 106,589.10 × 47,364.20
  4. Step 4: Simplify right side
    71,124.20x = 5,048,507,450.22
  5. Step 5: Solve for x
    x = 5,048,507,450.22/71,124.20
  6. Step 6: Final answer
    x = 70,981.57

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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.