Home / 69,712.95-96,196.06-39,491.81

Finding the Fourth Proportional to 69,712.95, 96,196.06 and 39,491.81

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Solution

The fourth proportional to 69,712.95, 96,196.06 and 39,491.81 is: 54,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.95 : 96,196.06 = 39,491.81 : x
  2. Step 2: Convert to fraction form
    69,712.95/96,196.06 = 39,491.81/x
  3. Step 3: Cross multiply
    69,712.95x = 96,196.06 × 39,491.81
  4. Step 4: Simplify right side
    69,712.95x = 3,798,956,524.27
  5. Step 5: Solve for x
    x = 3,798,956,524.27/69,712.95
  6. Step 6: Final answer
    x = 54,494.27

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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.