Home / 47,146.21-70,742.34-22,188.76

Finding the Fourth Proportional to 47,146.21, 70,742.34 and 22,188.76

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Solution

The fourth proportional to 47,146.21, 70,742.34 and 22,188.76 is: 33,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,146.21 : 70,742.34 = 22,188.76 : x
  2. Step 2: Convert to fraction form
    47,146.21/70,742.34 = 22,188.76/x
  3. Step 3: Cross multiply
    47,146.21x = 70,742.34 × 22,188.76
  4. Step 4: Simplify right side
    47,146.21x = 1,569,684,804.10
  5. Step 5: Solve for x
    x = 1,569,684,804.10/47,146.21
  6. Step 6: Final answer
    x = 33,293.98

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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.