Home / 69,849.10-96,405.05-39,637.23

Finding the Fourth Proportional to 69,849.10, 96,405.05 and 39,637.23

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Solution

The fourth proportional to 69,849.10, 96,405.05 and 39,637.23 is: 54,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,849.10 : 96,405.05 = 39,637.23 : x
  2. Step 2: Convert to fraction form
    69,849.10/96,405.05 = 39,637.23/x
  3. Step 3: Cross multiply
    69,849.10x = 96,405.05 × 39,637.23
  4. Step 4: Simplify right side
    69,849.10x = 3,821,228,941.83
  5. Step 5: Solve for x
    x = 3,821,228,941.83/69,849.10
  6. Step 6: Final answer
    x = 54,706.92

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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.