Home / 117,559.94-162,242.74-66,581.60

Finding the Fourth Proportional to 117,559.94, 162,242.74 and 66,581.60

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Solution

The fourth proportional to 117,559.94, 162,242.74 and 66,581.60 is: 91,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,559.94 : 162,242.74 = 66,581.60 : x
  2. Step 2: Convert to fraction form
    117,559.94/162,242.74 = 66,581.60/x
  3. Step 3: Cross multiply
    117,559.94x = 162,242.74 × 66,581.60
  4. Step 4: Simplify right side
    117,559.94x = 10,802,381,217.58
  5. Step 5: Solve for x
    x = 10,802,381,217.58/117,559.94
  6. Step 6: Final answer
    x = 91,888.28

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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.