Home / 69,821.40-104,732.10-41,827.80

Finding the Fourth Proportional to 69,821.40, 104,732.10 and 41,827.80

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Solution

The fourth proportional to 69,821.40, 104,732.10 and 41,827.80 is: 62,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.40 : 104,732.10 = 41,827.80 : x
  2. Step 2: Convert to fraction form
    69,821.40/104,732.10 = 41,827.80/x
  3. Step 3: Cross multiply
    69,821.40x = 104,732.10 × 41,827.80
  4. Step 4: Simplify right side
    69,821.40x = 4,380,713,332.38
  5. Step 5: Solve for x
    x = 4,380,713,332.38/69,821.40
  6. Step 6: Final answer
    x = 62,741.70

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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.