Home / 117,810.03-176,742.36-61,680.66

Finding the Fourth Proportional to 117,810.03, 176,742.36 and 61,680.66

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Solution

The fourth proportional to 117,810.03, 176,742.36 and 61,680.66 is: 92,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,810.03 : 176,742.36 = 61,680.66 : x
  2. Step 2: Convert to fraction form
    117,810.03/176,742.36 = 61,680.66/x
  3. Step 3: Cross multiply
    117,810.03x = 176,742.36 × 61,680.66
  4. Step 4: Simplify right side
    117,810.03x = 10,901,585,414.76
  5. Step 5: Solve for x
    x = 10,901,585,414.76/117,810.03
  6. Step 6: Final answer
    x = 92,535.29

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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.