Home / 61,162.20-91,743.30-34,918.20

Finding the Fourth Proportional to 61,162.20, 91,743.30 and 34,918.20

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Solution

The fourth proportional to 61,162.20, 91,743.30 and 34,918.20 is: 52,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.20 : 91,743.30 = 34,918.20 : x
  2. Step 2: Convert to fraction form
    61,162.20/91,743.30 = 34,918.20/x
  3. Step 3: Cross multiply
    61,162.20x = 91,743.30 × 34,918.20
  4. Step 4: Simplify right side
    61,162.20x = 3,203,510,898.06
  5. Step 5: Solve for x
    x = 3,203,510,898.06/61,162.20
  6. Step 6: Final answer
    x = 52,377.30

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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.