Home / 47,156.05-70,742.80-15,568.31

Finding the Fourth Proportional to 47,156.05, 70,742.80 and 15,568.31

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Solution

The fourth proportional to 47,156.05, 70,742.80 and 15,568.31 is: 23,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.05 : 70,742.80 = 15,568.31 : x
  2. Step 2: Convert to fraction form
    47,156.05/70,742.80 = 15,568.31/x
  3. Step 3: Cross multiply
    47,156.05x = 70,742.80 × 15,568.31
  4. Step 4: Simplify right side
    47,156.05x = 1,101,345,486.95
  5. Step 5: Solve for x
    x = 1,101,345,486.95/47,156.05
  6. Step 6: Final answer
    x = 23,355.34

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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.