Home / 88,183.81-121,694.54-47,898.36

Finding the Fourth Proportional to 88,183.81, 121,694.54 and 47,898.36

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Solution

The fourth proportional to 88,183.81, 121,694.54 and 47,898.36 is: 66,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,183.81 : 121,694.54 = 47,898.36 : x
  2. Step 2: Convert to fraction form
    88,183.81/121,694.54 = 47,898.36/x
  3. Step 3: Cross multiply
    88,183.81x = 121,694.54 × 47,898.36
  4. Step 4: Simplify right side
    88,183.81x = 5,828,968,886.95
  5. Step 5: Solve for x
    x = 5,828,968,886.95/88,183.81
  6. Step 6: Final answer
    x = 66,100.22

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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.