Home / 39,099.12-53,987.82-36,113.86

Finding the Fourth Proportional to 39,099.12, 53,987.82 and 36,113.86

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Solution

The fourth proportional to 39,099.12, 53,987.82 and 36,113.86 is: 49,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.12 : 53,987.82 = 36,113.86 : x
  2. Step 2: Convert to fraction form
    39,099.12/53,987.82 = 36,113.86/x
  3. Step 3: Cross multiply
    39,099.12x = 53,987.82 × 36,113.86
  4. Step 4: Simplify right side
    39,099.12x = 1,949,708,573.19
  5. Step 5: Solve for x
    x = 1,949,708,573.19/39,099.12
  6. Step 6: Final answer
    x = 49,865.79

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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.