Home / 117,718.38-176,478.03-51,108.12

Finding the Fourth Proportional to 117,718.38, 176,478.03 and 51,108.12

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Solution

The fourth proportional to 117,718.38, 176,478.03 and 51,108.12 is: 76,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,718.38 : 176,478.03 = 51,108.12 : x
  2. Step 2: Convert to fraction form
    117,718.38/176,478.03 = 51,108.12/x
  3. Step 3: Cross multiply
    117,718.38x = 176,478.03 × 51,108.12
  4. Step 4: Simplify right side
    117,718.38x = 9,019,460,334.60
  5. Step 5: Solve for x
    x = 9,019,460,334.60/117,718.38
  6. Step 6: Final answer
    x = 76,618.96

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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.