Home / 55,683.52-83,569.02-30,740.79

Finding the Fourth Proportional to 55,683.52, 83,569.02 and 30,740.79

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Solution

The fourth proportional to 55,683.52, 83,569.02 and 30,740.79 is: 46,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683.52 : 83,569.02 = 30,740.79 : x
  2. Step 2: Convert to fraction form
    55,683.52/83,569.02 = 30,740.79/x
  3. Step 3: Cross multiply
    55,683.52x = 83,569.02 × 30,740.79
  4. Step 4: Simplify right side
    55,683.52x = 2,568,977,694.33
  5. Step 5: Solve for x
    x = 2,568,977,694.33/55,683.52
  6. Step 6: Final answer
    x = 46,135.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.