Home / 117,511.16-176,091.72-64,935.68

Finding the Fourth Proportional to 117,511.16, 176,091.72 and 64,935.68

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Solution

The fourth proportional to 117,511.16, 176,091.72 and 64,935.68 is: 97,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,511.16 : 176,091.72 = 64,935.68 : x
  2. Step 2: Convert to fraction form
    117,511.16/176,091.72 = 64,935.68/x
  3. Step 3: Cross multiply
    117,511.16x = 176,091.72 × 64,935.68
  4. Step 4: Simplify right side
    117,511.16x = 11,434,635,580.57
  5. Step 5: Solve for x
    x = 11,434,635,580.57/117,511.16
  6. Step 6: Final answer
    x = 97,306.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.