Home / 47,760.10-71,640.15-41,928.10

Finding the Fourth Proportional to 47,760.10, 71,640.15 and 41,928.10

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Solution

The fourth proportional to 47,760.10, 71,640.15 and 41,928.10 is: 62,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,760.10 : 71,640.15 = 41,928.10 : x
  2. Step 2: Convert to fraction form
    47,760.10/71,640.15 = 41,928.10/x
  3. Step 3: Cross multiply
    47,760.10x = 71,640.15 × 41,928.10
  4. Step 4: Simplify right side
    47,760.10x = 3,003,735,373.22
  5. Step 5: Solve for x
    x = 3,003,735,373.22/47,760.10
  6. Step 6: Final answer
    x = 62,892.15

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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.