Home / 88,262.36-121,802.79-47,976.11

Finding the Fourth Proportional to 88,262.36, 121,802.79 and 47,976.11

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Solution

The fourth proportional to 88,262.36, 121,802.79 and 47,976.11 is: 66,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,262.36 : 121,802.79 = 47,976.11 : x
  2. Step 2: Convert to fraction form
    88,262.36/121,802.79 = 47,976.11/x
  3. Step 3: Cross multiply
    88,262.36x = 121,802.79 × 47,976.11
  4. Step 4: Simplify right side
    88,262.36x = 5,843,624,494.28
  5. Step 5: Solve for x
    x = 5,843,624,494.28/88,262.36
  6. Step 6: Final answer
    x = 66,207.44

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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.