Home / 117,587.55-162,208.62-74,491.02

Finding the Fourth Proportional to 117,587.55, 162,208.62 and 74,491.02

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Solution

The fourth proportional to 117,587.55, 162,208.62 and 74,491.02 is: 102,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.55 : 162,208.62 = 74,491.02 : x
  2. Step 2: Convert to fraction form
    117,587.55/162,208.62 = 74,491.02/x
  3. Step 3: Cross multiply
    117,587.55x = 162,208.62 × 74,491.02
  4. Step 4: Simplify right side
    117,587.55x = 12,083,085,556.59
  5. Step 5: Solve for x
    x = 12,083,085,556.59/117,587.55
  6. Step 6: Final answer
    x = 102,758.20

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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.