Home / 63,825.06-88,021.22-39,953.90

Finding the Fourth Proportional to 63,825.06, 88,021.22 and 39,953.90

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Solution

The fourth proportional to 63,825.06, 88,021.22 and 39,953.90 is: 55,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,825.06 : 88,021.22 = 39,953.90 : x
  2. Step 2: Convert to fraction form
    63,825.06/88,021.22 = 39,953.90/x
  3. Step 3: Cross multiply
    63,825.06x = 88,021.22 × 39,953.90
  4. Step 4: Simplify right side
    63,825.06x = 3,516,791,021.76
  5. Step 5: Solve for x
    x = 3,516,791,021.76/63,825.06
  6. Step 6: Final answer
    x = 55,100.47

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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.