Home / 47,109.18-70,655.94-15,519.60

Finding the Fourth Proportional to 47,109.18, 70,655.94 and 15,519.60

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Solution

The fourth proportional to 47,109.18, 70,655.94 and 15,519.60 is: 23,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,109.18 : 70,655.94 = 15,519.60 : x
  2. Step 2: Convert to fraction form
    47,109.18/70,655.94 = 15,519.60/x
  3. Step 3: Cross multiply
    47,109.18x = 70,655.94 × 15,519.60
  4. Step 4: Simplify right side
    47,109.18x = 1,096,551,926.42
  5. Step 5: Solve for x
    x = 1,096,551,926.42/47,109.18
  6. Step 6: Final answer
    x = 23,276.82

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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.