Home / 69,975.27-96,562.40-39,756.60

Finding the Fourth Proportional to 69,975.27, 96,562.40 and 39,756.60

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Solution

The fourth proportional to 69,975.27, 96,562.40 and 39,756.60 is: 54,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,975.27 : 96,562.40 = 39,756.60 : x
  2. Step 2: Convert to fraction form
    69,975.27/96,562.40 = 39,756.60/x
  3. Step 3: Cross multiply
    69,975.27x = 96,562.40 × 39,756.60
  4. Step 4: Simplify right side
    69,975.27x = 3,838,992,513.06
  5. Step 5: Solve for x
    x = 3,838,992,513.06/69,975.27
  6. Step 6: Final answer
    x = 54,862.13

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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.