Home / 47,156.37-70,719.54-15,560.55

Finding the Fourth Proportional to 47,156.37, 70,719.54 and 15,560.55

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Solution

The fourth proportional to 47,156.37, 70,719.54 and 15,560.55 is: 23,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.37 : 70,719.54 = 15,560.55 : x
  2. Step 2: Convert to fraction form
    47,156.37/70,719.54 = 15,560.55/x
  3. Step 3: Cross multiply
    47,156.37x = 70,719.54 × 15,560.55
  4. Step 4: Simplify right side
    47,156.37x = 1,100,434,938.15
  5. Step 5: Solve for x
    x = 1,100,434,938.15/47,156.37
  6. Step 6: Final answer
    x = 23,335.87

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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.