Home / 117,042.11-161,516.96-63,325.94

Finding the Fourth Proportional to 117,042.11, 161,516.96 and 63,325.94

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Solution

The fourth proportional to 117,042.11, 161,516.96 and 63,325.94 is: 87,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,042.11 : 161,516.96 = 63,325.94 : x
  2. Step 2: Convert to fraction form
    117,042.11/161,516.96 = 63,325.94/x
  3. Step 3: Cross multiply
    117,042.11x = 161,516.96 × 63,325.94
  4. Step 4: Simplify right side
    117,042.11x = 10,228,213,001.31
  5. Step 5: Solve for x
    x = 10,228,213,001.31/117,042.11
  6. Step 6: Final answer
    x = 87,389.18

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1.5x scale

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.