Home / 117,049.93-161,528.38-63,335.90

Finding the Fourth Proportional to 117,049.93, 161,528.38 and 63,335.90

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Solution

The fourth proportional to 117,049.93, 161,528.38 and 63,335.90 is: 87,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,049.93 : 161,528.38 = 63,335.90 : x
  2. Step 2: Convert to fraction form
    117,049.93/161,528.38 = 63,335.90/x
  3. Step 3: Cross multiply
    117,049.93x = 161,528.38 × 63,335.90
  4. Step 4: Simplify right side
    117,049.93x = 10,230,545,322.84
  5. Step 5: Solve for x
    x = 10,230,545,322.84/117,049.93
  6. Step 6: Final answer
    x = 87,403.26

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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.