Home / 117,587.59-162,208.66-74,491.04

Finding the Fourth Proportional to 117,587.59, 162,208.66 and 74,491.04

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Solution

The fourth proportional to 117,587.59, 162,208.66 and 74,491.04 is: 102,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.59 : 162,208.66 = 74,491.04 : x
  2. Step 2: Convert to fraction form
    117,587.59/162,208.66 = 74,491.04/x
  3. Step 3: Cross multiply
    117,587.59x = 162,208.66 × 74,491.04
  4. Step 4: Simplify right side
    117,587.59x = 12,083,091,780.41
  5. Step 5: Solve for x
    x = 12,083,091,780.41/117,587.59
  6. Step 6: Final answer
    x = 102,758.22

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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.