Home / 117,886.16-162,682.80-64,171.10

Finding the Fourth Proportional to 117,886.16, 162,682.80 and 64,171.10

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Solution

The fourth proportional to 117,886.16, 162,682.80 and 64,171.10 is: 88,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,886.16 : 162,682.80 = 64,171.10 : x
  2. Step 2: Convert to fraction form
    117,886.16/162,682.80 = 64,171.10/x
  3. Step 3: Cross multiply
    117,886.16x = 162,682.80 × 64,171.10
  4. Step 4: Simplify right side
    117,886.16x = 10,439,534,227.08
  5. Step 5: Solve for x
    x = 10,439,534,227.08/117,886.16
  6. Step 6: Final answer
    x = 88,556.06

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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.