Home / 73,141.18-100,933.39-40,876.09

Finding the Fourth Proportional to 73,141.18, 100,933.39 and 40,876.09

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Solution

The fourth proportional to 73,141.18, 100,933.39 and 40,876.09 is: 56,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.18 : 100,933.39 = 40,876.09 : x
  2. Step 2: Convert to fraction form
    73,141.18/100,933.39 = 40,876.09/x
  3. Step 3: Cross multiply
    73,141.18x = 100,933.39 × 40,876.09
  4. Step 4: Simplify right side
    73,141.18x = 4,125,762,700.16
  5. Step 5: Solve for x
    x = 4,125,762,700.16/73,141.18
  6. Step 6: Final answer
    x = 56,408.21

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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.