Home / 114,942.81-158,619.54-64,641.81

Finding the Fourth Proportional to 114,942.81, 158,619.54 and 64,641.81

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Solution

The fourth proportional to 114,942.81, 158,619.54 and 64,641.81 is: 89,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.81 : 158,619.54 = 64,641.81 : x
  2. Step 2: Convert to fraction form
    114,942.81/158,619.54 = 64,641.81/x
  3. Step 3: Cross multiply
    114,942.81x = 158,619.54 × 64,641.81
  4. Step 4: Simplify right side
    114,942.81x = 10,253,454,166.97
  5. Step 5: Solve for x
    x = 10,253,454,166.97/114,942.81
  6. Step 6: Final answer
    x = 89,204.83

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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.