Home / 88,246.54-121,779.03-47,961.64

Finding the Fourth Proportional to 88,246.54, 121,779.03 and 47,961.64

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Solution

The fourth proportional to 88,246.54, 121,779.03 and 47,961.64 is: 66,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,246.54 : 121,779.03 = 47,961.64 : x
  2. Step 2: Convert to fraction form
    88,246.54/121,779.03 = 47,961.64/x
  3. Step 3: Cross multiply
    88,246.54x = 121,779.03 × 47,961.64
  4. Step 4: Simplify right side
    88,246.54x = 5,840,721,996.41
  5. Step 5: Solve for x
    x = 5,840,721,996.41/88,246.54
  6. Step 6: Final answer
    x = 66,186.41

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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.