Home / 117,758.17-162,502.69-66,775.56

Finding the Fourth Proportional to 117,758.17, 162,502.69 and 66,775.56

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Solution

The fourth proportional to 117,758.17, 162,502.69 and 66,775.56 is: 92,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,758.17 : 162,502.69 = 66,775.56 : x
  2. Step 2: Convert to fraction form
    117,758.17/162,502.69 = 66,775.56/x
  3. Step 3: Cross multiply
    117,758.17x = 162,502.69 × 66,775.56
  4. Step 4: Simplify right side
    117,758.17x = 10,851,208,126.26
  5. Step 5: Solve for x
    x = 10,851,208,126.26/117,758.17
  6. Step 6: Final answer
    x = 92,148.24

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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.