Home / 117,709.41-162,442.17-63,998.13

Finding the Fourth Proportional to 117,709.41, 162,442.17 and 63,998.13

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Solution

The fourth proportional to 117,709.41, 162,442.17 and 63,998.13 is: 88,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,709.41 : 162,442.17 = 63,998.13 : x
  2. Step 2: Convert to fraction form
    117,709.41/162,442.17 = 63,998.13/x
  3. Step 3: Cross multiply
    117,709.41x = 162,442.17 × 63,998.13
  4. Step 4: Simplify right side
    117,709.41x = 10,395,995,113.14
  5. Step 5: Solve for x
    x = 10,395,995,113.14/117,709.41
  6. Step 6: Final answer
    x = 88,319.15

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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.