Home / 69,896.38-96,459.24-39,683.02

Finding the Fourth Proportional to 69,896.38, 96,459.24 and 39,683.02

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Solution

The fourth proportional to 69,896.38, 96,459.24 and 39,683.02 is: 54,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,896.38 : 96,459.24 = 39,683.02 : x
  2. Step 2: Convert to fraction form
    69,896.38/96,459.24 = 39,683.02/x
  3. Step 3: Cross multiply
    69,896.38x = 96,459.24 × 39,683.02
  4. Step 4: Simplify right side
    69,896.38x = 3,827,793,950.10
  5. Step 5: Solve for x
    x = 3,827,793,950.10/69,896.38
  6. Step 6: Final answer
    x = 54,763.84

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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.