Home / 47,229.19-65,156.72-28,105.14

Finding the Fourth Proportional to 47,229.19, 65,156.72 and 28,105.14

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Solution

The fourth proportional to 47,229.19, 65,156.72 and 28,105.14 is: 38,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,229.19 : 65,156.72 = 28,105.14 : x
  2. Step 2: Convert to fraction form
    47,229.19/65,156.72 = 28,105.14/x
  3. Step 3: Cross multiply
    47,229.19x = 65,156.72 × 28,105.14
  4. Step 4: Simplify right side
    47,229.19x = 1,831,238,737.54
  5. Step 5: Solve for x
    x = 1,831,238,737.54/47,229.19
  6. Step 6: Final answer
    x = 38,773.45

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1.5x scale

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.