Home / 43,142.18-64,737.97-23,422.39

Finding the Fourth Proportional to 43,142.18, 64,737.97 and 23,422.39

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Solution

The fourth proportional to 43,142.18, 64,737.97 and 23,422.39 is: 35,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,142.18 : 64,737.97 = 23,422.39 : x
  2. Step 2: Convert to fraction form
    43,142.18/64,737.97 = 23,422.39/x
  3. Step 3: Cross multiply
    43,142.18x = 64,737.97 × 23,422.39
  4. Step 4: Simplify right side
    43,142.18x = 1,516,317,760.75
  5. Step 5: Solve for x
    x = 1,516,317,760.75/43,142.18
  6. Step 6: Final answer
    x = 35,146.99

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1.5x scale

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.