Home / 117,732.36-162,471.46-64,017.96

Finding the Fourth Proportional to 117,732.36, 162,471.46 and 64,017.96

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Solution

The fourth proportional to 117,732.36, 162,471.46 and 64,017.96 is: 88,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,732.36 : 162,471.46 = 64,017.96 : x
  2. Step 2: Convert to fraction form
    117,732.36/162,471.46 = 64,017.96/x
  3. Step 3: Cross multiply
    117,732.36x = 162,471.46 × 64,017.96
  4. Step 4: Simplify right side
    117,732.36x = 10,401,091,427.42
  5. Step 5: Solve for x
    x = 10,401,091,427.42/117,732.36
  6. Step 6: Final answer
    x = 88,345.22

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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.