Home / 117,758.04-162,458.16-66,759.96

Finding the Fourth Proportional to 117,758.04, 162,458.16 and 66,759.96

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Solution

The fourth proportional to 117,758.04, 162,458.16 and 66,759.96 is: 92,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,758.04 : 162,458.16 = 66,759.96 : x
  2. Step 2: Convert to fraction form
    117,758.04/162,458.16 = 66,759.96/x
  3. Step 3: Cross multiply
    117,758.04x = 162,458.16 × 66,759.96
  4. Step 4: Simplify right side
    117,758.04x = 10,845,700,263.27
  5. Step 5: Solve for x
    x = 10,845,700,263.27/117,758.04
  6. Step 6: Final answer
    x = 92,101.57

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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.