Home / 47,708.60-71,562.90-45,740.30

Finding the Fourth Proportional to 47,708.60, 71,562.90 and 45,740.30

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Solution

The fourth proportional to 47,708.60, 71,562.90 and 45,740.30 is: 68,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.60 : 71,562.90 = 45,740.30 : x
  2. Step 2: Convert to fraction form
    47,708.60/71,562.90 = 45,740.30/x
  3. Step 3: Cross multiply
    47,708.60x = 71,562.90 × 45,740.30
  4. Step 4: Simplify right side
    47,708.60x = 3,273,308,514.87
  5. Step 5: Solve for x
    x = 3,273,308,514.87/47,708.60
  6. Step 6: Final answer
    x = 68,610.45

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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.