Home / 88,266.22-121,779.39-54,751.66

Finding the Fourth Proportional to 88,266.22, 121,779.39 and 54,751.66

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Solution

The fourth proportional to 88,266.22, 121,779.39 and 54,751.66 is: 75,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,266.22 : 121,779.39 = 54,751.66 : x
  2. Step 2: Convert to fraction form
    88,266.22/121,779.39 = 54,751.66/x
  3. Step 3: Cross multiply
    88,266.22x = 121,779.39 × 54,751.66
  4. Step 4: Simplify right side
    88,266.22x = 6,667,623,756.29
  5. Step 5: Solve for x
    x = 6,667,623,756.29/88,266.22
  6. Step 6: Final answer
    x = 75,539.93

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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.