Home / 67,107.60-92,628-41,621.76

Finding the Fourth Proportional to 67,107.60, 92,628 and 41,621.76

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Solution

The fourth proportional to 67,107.60, 92,628 and 41,621.76 is: 57,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,107.60 : 92,628 = 41,621.76 : x
  2. Step 2: Convert to fraction form
    67,107.60/92,628 = 41,621.76/x
  3. Step 3: Cross multiply
    67,107.60x = 92,628 × 41,621.76
  4. Step 4: Simplify right side
    67,107.60x = 3,855,340,385.28
  5. Step 5: Solve for x
    x = 3,855,340,385.28/67,107.60
  6. Step 6: Final answer
    x = 57,450.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.