Home / 63,888.08-88,163.52-40,027.64

Finding the Fourth Proportional to 63,888.08, 88,163.52 and 40,027.64

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Solution

The fourth proportional to 63,888.08, 88,163.52 and 40,027.64 is: 55,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.08 : 88,163.52 = 40,027.64 : x
  2. Step 2: Convert to fraction form
    63,888.08/88,163.52 = 40,027.64/x
  3. Step 3: Cross multiply
    63,888.08x = 88,163.52 × 40,027.64
  4. Step 4: Simplify right side
    63,888.08x = 3,528,977,639.69
  5. Step 5: Solve for x
    x = 3,528,977,639.69/63,888.08
  6. Step 6: Final answer
    x = 55,236.87

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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.