Home / 60,581.70-90,836.10-31,057.20

Finding the Fourth Proportional to 60,581.70, 90,836.10 and 31,057.20

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Solution

The fourth proportional to 60,581.70, 90,836.10 and 31,057.20 is: 46,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.70 : 90,836.10 = 31,057.20 : x
  2. Step 2: Convert to fraction form
    60,581.70/90,836.10 = 31,057.20/x
  3. Step 3: Cross multiply
    60,581.70x = 90,836.10 × 31,057.20
  4. Step 4: Simplify right side
    60,581.70x = 2,821,114,924.92
  5. Step 5: Solve for x
    x = 2,821,114,924.92/60,581.70
  6. Step 6: Final answer
    x = 46,567.11

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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.