Home / 47,800.64-71,686.28-15,773.79

Finding the Fourth Proportional to 47,800.64, 71,686.28 and 15,773.79

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Solution

The fourth proportional to 47,800.64, 71,686.28 and 15,773.79 is: 23,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.64 : 71,686.28 = 15,773.79 : x
  2. Step 2: Convert to fraction form
    47,800.64/71,686.28 = 15,773.79/x
  3. Step 3: Cross multiply
    47,800.64x = 71,686.28 × 15,773.79
  4. Step 4: Simplify right side
    47,800.64x = 1,130,764,634.86
  5. Step 5: Solve for x
    x = 1,130,764,634.86/47,800.64
  6. Step 6: Final answer
    x = 23,655.85

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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.