Home / 88,112.82-121,595.80-47,826.58

Finding the Fourth Proportional to 88,112.82, 121,595.80 and 47,826.58

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Solution

The fourth proportional to 88,112.82, 121,595.80 and 47,826.58 is: 66,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.82 : 121,595.80 = 47,826.58 : x
  2. Step 2: Convert to fraction form
    88,112.82/121,595.80 = 47,826.58/x
  3. Step 3: Cross multiply
    88,112.82x = 121,595.80 × 47,826.58
  4. Step 4: Simplify right side
    88,112.82x = 5,815,511,256.36
  5. Step 5: Solve for x
    x = 5,815,511,256.36/88,112.82
  6. Step 6: Final answer
    x = 66,000.74

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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.