Home / 117,602.19-162,291.33-63,886.77

Finding the Fourth Proportional to 117,602.19, 162,291.33 and 63,886.77

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Solution

The fourth proportional to 117,602.19, 162,291.33 and 63,886.77 is: 88,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,602.19 : 162,291.33 = 63,886.77 : x
  2. Step 2: Convert to fraction form
    117,602.19/162,291.33 = 63,886.77/x
  3. Step 3: Cross multiply
    117,602.19x = 162,291.33 × 63,886.77
  4. Step 4: Simplify right side
    117,602.19x = 10,368,268,872.70
  5. Step 5: Solve for x
    x = 10,368,268,872.70/117,602.19
  6. Step 6: Final answer
    x = 88,163.91

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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.