Home / 47,742.60-71,615.31-22,785.30

Finding the Fourth Proportional to 47,742.60, 71,615.31 and 22,785.30

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Solution

The fourth proportional to 47,742.60, 71,615.31 and 22,785.30 is: 34,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,742.60 : 71,615.31 = 22,785.30 : x
  2. Step 2: Convert to fraction form
    47,742.60/71,615.31 = 22,785.30/x
  3. Step 3: Cross multiply
    47,742.60x = 71,615.31 × 22,785.30
  4. Step 4: Simplify right side
    47,742.60x = 1,631,776,322.94
  5. Step 5: Solve for x
    x = 1,631,776,322.94/47,742.60
  6. Step 6: Final answer
    x = 34,178.62

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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.