Home / 119,544.84-164,972.96-65,831.78

Finding the Fourth Proportional to 119,544.84, 164,972.96 and 65,831.78

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Solution

The fourth proportional to 119,544.84, 164,972.96 and 65,831.78 is: 90,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,544.84 : 164,972.96 = 65,831.78 : x
  2. Step 2: Convert to fraction form
    119,544.84/164,972.96 = 65,831.78/x
  3. Step 3: Cross multiply
    119,544.84x = 164,972.96 × 65,831.78
  4. Step 4: Simplify right side
    119,544.84x = 10,860,462,454.65
  5. Step 5: Solve for x
    x = 10,860,462,454.65/119,544.84
  6. Step 6: Final answer
    x = 90,848.44

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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.