Home / 47,097.21-64,931.31-40,353.96

Finding the Fourth Proportional to 47,097.21, 64,931.31 and 40,353.96

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Solution

The fourth proportional to 47,097.21, 64,931.31 and 40,353.96 is: 55,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,097.21 : 64,931.31 = 40,353.96 : x
  2. Step 2: Convert to fraction form
    47,097.21/64,931.31 = 40,353.96/x
  3. Step 3: Cross multiply
    47,097.21x = 64,931.31 × 40,353.96
  4. Step 4: Simplify right side
    47,097.21x = 2,620,235,486.49
  5. Step 5: Solve for x
    x = 2,620,235,486.49/47,097.21
  6. Step 6: Final answer
    x = 55,634.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.