Home / 118,409.27-163,399.92-64,696.13

Finding the Fourth Proportional to 118,409.27, 163,399.92 and 64,696.13

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Solution

The fourth proportional to 118,409.27, 163,399.92 and 64,696.13 is: 89,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,409.27 : 163,399.92 = 64,696.13 : x
  2. Step 2: Convert to fraction form
    118,409.27/163,399.92 = 64,696.13/x
  3. Step 3: Cross multiply
    118,409.27x = 163,399.92 × 64,696.13
  4. Step 4: Simplify right side
    118,409.27x = 10,571,341,649.31
  5. Step 5: Solve for x
    x = 10,571,341,649.31/118,409.27
  6. Step 6: Final answer
    x = 89,277.99

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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.