Home / 58,786.24-88,172.52-20,831.18

Finding the Fourth Proportional to 58,786.24, 88,172.52 and 20,831.18

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Solution

The fourth proportional to 58,786.24, 88,172.52 and 20,831.18 is: 31,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.24 : 88,172.52 = 20,831.18 : x
  2. Step 2: Convert to fraction form
    58,786.24/88,172.52 = 20,831.18/x
  3. Step 3: Cross multiply
    58,786.24x = 88,172.52 × 20,831.18
  4. Step 4: Simplify right side
    58,786.24x = 1,836,737,635.17
  5. Step 5: Solve for x
    x = 1,836,737,635.17/58,786.24
  6. Step 6: Final answer
    x = 31,244.35

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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.