Home / 117,602.86-162,293.07-63,888.28

Finding the Fourth Proportional to 117,602.86, 162,293.07 and 63,888.28

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Solution

The fourth proportional to 117,602.86, 162,293.07 and 63,888.28 is: 88,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,602.86 : 162,293.07 = 63,888.28 : x
  2. Step 2: Convert to fraction form
    117,602.86/162,293.07 = 63,888.28/x
  3. Step 3: Cross multiply
    117,602.86x = 162,293.07 × 63,888.28
  4. Step 4: Simplify right side
    117,602.86x = 10,368,625,098.22
  5. Step 5: Solve for x
    x = 10,368,625,098.22/117,602.86
  6. Step 6: Final answer
    x = 88,166.44

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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.