Home / 47,126.64-70,688.10-15,961.88

Finding the Fourth Proportional to 47,126.64, 70,688.10 and 15,961.88

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Solution

The fourth proportional to 47,126.64, 70,688.10 and 15,961.88 is: 23,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,126.64 : 70,688.10 = 15,961.88 : x
  2. Step 2: Convert to fraction form
    47,126.64/70,688.10 = 15,961.88/x
  3. Step 3: Cross multiply
    47,126.64x = 70,688.10 × 15,961.88
  4. Step 4: Simplify right side
    47,126.64x = 1,128,314,969.63
  5. Step 5: Solve for x
    x = 1,128,314,969.63/47,126.64
  6. Step 6: Final answer
    x = 23,942.19

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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.