Home / 83,829.36-115,683.98-47,537.69

Finding the Fourth Proportional to 83,829.36, 115,683.98 and 47,537.69

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Solution

The fourth proportional to 83,829.36, 115,683.98 and 47,537.69 is: 65,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,829.36 : 115,683.98 = 47,537.69 : x
  2. Step 2: Convert to fraction form
    83,829.36/115,683.98 = 47,537.69/x
  3. Step 3: Cross multiply
    83,829.36x = 115,683.98 × 47,537.69
  4. Step 4: Simplify right side
    83,829.36x = 5,499,348,831.05
  5. Step 5: Solve for x
    x = 5,499,348,831.05/83,829.36
  6. Step 6: Final answer
    x = 65,601.71

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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.