Home / 66,533.06-91,831.05-43,876.15

Finding the Fourth Proportional to 66,533.06, 91,831.05 and 43,876.15

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Solution

The fourth proportional to 66,533.06, 91,831.05 and 43,876.15 is: 60,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.06 : 91,831.05 = 43,876.15 : x
  2. Step 2: Convert to fraction form
    66,533.06/91,831.05 = 43,876.15/x
  3. Step 3: Cross multiply
    66,533.06x = 91,831.05 × 43,876.15
  4. Step 4: Simplify right side
    66,533.06x = 4,029,192,694.88
  5. Step 5: Solve for x
    x = 4,029,192,694.88/66,533.06
  6. Step 6: Final answer
    x = 60,559.25

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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.