Home / 106,831.22-147,424.20-59,086.58

Finding the Fourth Proportional to 106,831.22, 147,424.20 and 59,086.58

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Solution

The fourth proportional to 106,831.22, 147,424.20 and 59,086.58 is: 81,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,831.22 : 147,424.20 = 59,086.58 : x
  2. Step 2: Convert to fraction form
    106,831.22/147,424.20 = 59,086.58/x
  3. Step 3: Cross multiply
    106,831.22x = 147,424.20 × 59,086.58
  4. Step 4: Simplify right side
    106,831.22x = 8,710,791,787.24
  5. Step 5: Solve for x
    x = 8,710,791,787.24/106,831.22
  6. Step 6: Final answer
    x = 81,537.89

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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.