Home / 117,717.10-176,612.40-38,886.68

Finding the Fourth Proportional to 117,717.10, 176,612.40 and 38,886.68

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Solution

The fourth proportional to 117,717.10, 176,612.40 and 38,886.68 is: 58,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.10 : 176,612.40 = 38,886.68 : x
  2. Step 2: Convert to fraction form
    117,717.10/176,612.40 = 38,886.68/x
  3. Step 3: Cross multiply
    117,717.10x = 176,612.40 × 38,886.68
  4. Step 4: Simplify right side
    117,717.10x = 6,867,870,324.36
  5. Step 5: Solve for x
    x = 6,867,870,324.36/117,717.10
  6. Step 6: Final answer
    x = 58,342.16

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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.