Home / 45,121.12-62,246.48-29,210.69

Finding the Fourth Proportional to 45,121.12, 62,246.48 and 29,210.69

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Solution

The fourth proportional to 45,121.12, 62,246.48 and 29,210.69 is: 40,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121.12 : 62,246.48 = 29,210.69 : x
  2. Step 2: Convert to fraction form
    45,121.12/62,246.48 = 29,210.69/x
  3. Step 3: Cross multiply
    45,121.12x = 62,246.48 × 29,210.69
  4. Step 4: Simplify right side
    45,121.12x = 1,818,262,640.43
  5. Step 5: Solve for x
    x = 1,818,262,640.43/45,121.12
  6. Step 6: Final answer
    x = 40,297.38

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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.