Home / 116,068.78-160,115.96-75,806.11

Finding the Fourth Proportional to 116,068.78, 160,115.96 and 75,806.11

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Solution

The fourth proportional to 116,068.78, 160,115.96 and 75,806.11 is: 104,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,068.78 : 160,115.96 = 75,806.11 : x
  2. Step 2: Convert to fraction form
    116,068.78/160,115.96 = 75,806.11/x
  3. Step 3: Cross multiply
    116,068.78x = 160,115.96 × 75,806.11
  4. Step 4: Simplify right side
    116,068.78x = 12,137,767,275.94
  5. Step 5: Solve for x
    x = 12,137,767,275.94/116,068.78
  6. Step 6: Final answer
    x = 104,573.92

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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.