Home / 117,117.54-161,622.30-63,403.02

Finding the Fourth Proportional to 117,117.54, 161,622.30 and 63,403.02

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Solution

The fourth proportional to 117,117.54, 161,622.30 and 63,403.02 is: 87,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,117.54 : 161,622.30 = 63,403.02 : x
  2. Step 2: Convert to fraction form
    117,117.54/161,622.30 = 63,403.02/x
  3. Step 3: Cross multiply
    117,117.54x = 161,622.30 × 63,403.02
  4. Step 4: Simplify right side
    117,117.54x = 10,247,341,919.35
  5. Step 5: Solve for x
    x = 10,247,341,919.35/117,117.54
  6. Step 6: Final answer
    x = 87,496.22

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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.