Home / 69,712.38-96,195.27-39,491.23

Finding the Fourth Proportional to 69,712.38, 96,195.27 and 39,491.23

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Solution

The fourth proportional to 69,712.38, 96,195.27 and 39,491.23 is: 54,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.38 : 96,195.27 = 39,491.23 : x
  2. Step 2: Convert to fraction form
    69,712.38/96,195.27 = 39,491.23/x
  3. Step 3: Cross multiply
    69,712.38x = 96,195.27 × 39,491.23
  4. Step 4: Simplify right side
    69,712.38x = 3,798,869,051.51
  5. Step 5: Solve for x
    x = 3,798,869,051.51/69,712.38
  6. Step 6: Final answer
    x = 54,493.47

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Double scale
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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.