Home / 75,532.83-104,240.40-49,995.21

Finding the Fourth Proportional to 75,532.83, 104,240.40 and 49,995.21

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Solution

The fourth proportional to 75,532.83, 104,240.40 and 49,995.21 is: 68,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,532.83 : 104,240.40 = 49,995.21 : x
  2. Step 2: Convert to fraction form
    75,532.83/104,240.40 = 49,995.21/x
  3. Step 3: Cross multiply
    75,532.83x = 104,240.40 × 49,995.21
  4. Step 4: Simplify right side
    75,532.83x = 5,211,520,688.48
  5. Step 5: Solve for x
    x = 5,211,520,688.48/75,532.83
  6. Step 6: Final answer
    x = 68,996.76

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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.