Home / 55,269.12-82,915.53-17,831.33

Finding the Fourth Proportional to 55,269.12, 82,915.53 and 17,831.33

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Solution

The fourth proportional to 55,269.12, 82,915.53 and 17,831.33 is: 26,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.12 : 82,915.53 = 17,831.33 : x
  2. Step 2: Convert to fraction form
    55,269.12/82,915.53 = 17,831.33/x
  3. Step 3: Cross multiply
    55,269.12x = 82,915.53 × 17,831.33
  4. Step 4: Simplify right side
    55,269.12x = 1,478,494,177.55
  5. Step 5: Solve for x
    x = 1,478,494,177.55/55,269.12
  6. Step 6: Final answer
    x = 26,750.82

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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.