Home / 47,173.20-65,077.20-28,277.52

Finding the Fourth Proportional to 47,173.20, 65,077.20 and 28,277.52

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Solution

The fourth proportional to 47,173.20, 65,077.20 and 28,277.52 is: 39,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,173.20 : 65,077.20 = 28,277.52 : x
  2. Step 2: Convert to fraction form
    47,173.20/65,077.20 = 28,277.52/x
  3. Step 3: Cross multiply
    47,173.20x = 65,077.20 × 28,277.52
  4. Step 4: Simplify right side
    47,173.20x = 1,840,221,824.54
  5. Step 5: Solve for x
    x = 1,840,221,824.54/47,173.20
  6. Step 6: Final answer
    x = 39,009.90

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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.