Home / 88,145.87-121,629.06-51,848.96

Finding the Fourth Proportional to 88,145.87, 121,629.06 and 51,848.96

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Solution

The fourth proportional to 88,145.87, 121,629.06 and 51,848.96 is: 71,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,145.87 : 121,629.06 = 51,848.96 : x
  2. Step 2: Convert to fraction form
    88,145.87/121,629.06 = 51,848.96/x
  3. Step 3: Cross multiply
    88,145.87x = 121,629.06 × 51,848.96
  4. Step 4: Simplify right side
    88,145.87x = 6,306,340,266.78
  5. Step 5: Solve for x
    x = 6,306,340,266.78/88,145.87
  6. Step 6: Final answer
    x = 71,544.36

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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.