Home / 119,975.55-165,563.09-66,259.41

Finding the Fourth Proportional to 119,975.55, 165,563.09 and 66,259.41

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Solution

The fourth proportional to 119,975.55, 165,563.09 and 66,259.41 is: 91,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975.55 : 165,563.09 = 66,259.41 : x
  2. Step 2: Convert to fraction form
    119,975.55/165,563.09 = 66,259.41/x
  3. Step 3: Cross multiply
    119,975.55x = 165,563.09 × 66,259.41
  4. Step 4: Simplify right side
    119,975.55x = 10,970,112,661.18
  5. Step 5: Solve for x
    x = 10,970,112,661.18/119,975.55
  6. Step 6: Final answer
    x = 91,436.24

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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.