Home / 117,417.75-162,036.96-63,703.17

Finding the Fourth Proportional to 117,417.75, 162,036.96 and 63,703.17

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Solution

The fourth proportional to 117,417.75, 162,036.96 and 63,703.17 is: 87,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,417.75 : 162,036.96 = 63,703.17 : x
  2. Step 2: Convert to fraction form
    117,417.75/162,036.96 = 63,703.17/x
  3. Step 3: Cross multiply
    117,417.75x = 162,036.96 × 63,703.17
  4. Step 4: Simplify right side
    117,417.75x = 10,322,268,009.16
  5. Step 5: Solve for x
    x = 10,322,268,009.16/117,417.75
  6. Step 6: Final answer
    x = 87,910.63

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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.