Home / 117,335.32-161,921.23-63,620.17

Finding the Fourth Proportional to 117,335.32, 161,921.23 and 63,620.17

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Solution

The fourth proportional to 117,335.32, 161,921.23 and 63,620.17 is: 87,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,335.32 : 161,921.23 = 63,620.17 : x
  2. Step 2: Convert to fraction form
    117,335.32/161,921.23 = 63,620.17/x
  3. Step 3: Cross multiply
    117,335.32x = 161,921.23 × 63,620.17
  4. Step 4: Simplify right side
    117,335.32x = 10,301,456,179.21
  5. Step 5: Solve for x
    x = 10,301,456,179.21/117,335.32
  6. Step 6: Final answer
    x = 87,795.01

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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.