Home / 73,434.15-110,155.41-20,839.50

Finding the Fourth Proportional to 73,434.15, 110,155.41 and 20,839.50

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Solution

The fourth proportional to 73,434.15, 110,155.41 and 20,839.50 is: 31,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,434.15 : 110,155.41 = 20,839.50 : x
  2. Step 2: Convert to fraction form
    73,434.15/110,155.41 = 20,839.50/x
  3. Step 3: Cross multiply
    73,434.15x = 110,155.41 × 20,839.50
  4. Step 4: Simplify right side
    73,434.15x = 2,295,583,666.70
  5. Step 5: Solve for x
    x = 2,295,583,666.70/73,434.15
  6. Step 6: Final answer
    x = 31,260.44

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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.