Home / 55,274.03-82,910.70-15,831.21

Finding the Fourth Proportional to 55,274.03, 82,910.70 and 15,831.21

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Solution

The fourth proportional to 55,274.03, 82,910.70 and 15,831.21 is: 23,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.03 : 82,910.70 = 15,831.21 : x
  2. Step 2: Convert to fraction form
    55,274.03/82,910.70 = 15,831.21/x
  3. Step 3: Cross multiply
    55,274.03x = 82,910.70 × 15,831.21
  4. Step 4: Simplify right side
    55,274.03x = 1,312,576,702.95
  5. Step 5: Solve for x
    x = 1,312,576,702.95/55,274.03
  6. Step 6: Final answer
    x = 23,746.72

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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.