Home / 47,715.10-71,572.65-43,632.70

Finding the Fourth Proportional to 47,715.10, 71,572.65 and 43,632.70

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Solution

The fourth proportional to 47,715.10, 71,572.65 and 43,632.70 is: 65,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.10 : 71,572.65 = 43,632.70 : x
  2. Step 2: Convert to fraction form
    47,715.10/71,572.65 = 43,632.70/x
  3. Step 3: Cross multiply
    47,715.10x = 71,572.65 × 43,632.70
  4. Step 4: Simplify right side
    47,715.10x = 3,122,907,965.66
  5. Step 5: Solve for x
    x = 3,122,907,965.66/47,715.10
  6. Step 6: Final answer
    x = 65,449.05

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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.