Home / 74,838.18-112,197.66-43,212.34

Finding the Fourth Proportional to 74,838.18, 112,197.66 and 43,212.34

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Solution

The fourth proportional to 74,838.18, 112,197.66 and 43,212.34 is: 64,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.18 : 112,197.66 = 43,212.34 : x
  2. Step 2: Convert to fraction form
    74,838.18/112,197.66 = 43,212.34/x
  3. Step 3: Cross multiply
    74,838.18x = 112,197.66 × 43,212.34
  4. Step 4: Simplify right side
    74,838.18x = 4,848,322,778.21
  5. Step 5: Solve for x
    x = 4,848,322,778.21/74,838.18
  6. Step 6: Final answer
    x = 64,784.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.