Home / 74,838.36-112,197.96-43,212.59

Finding the Fourth Proportional to 74,838.36, 112,197.96 and 43,212.59

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Solution

The fourth proportional to 74,838.36, 112,197.96 and 43,212.59 is: 64,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.36 : 112,197.96 = 43,212.59 : x
  2. Step 2: Convert to fraction form
    74,838.36/112,197.96 = 43,212.59/x
  3. Step 3: Cross multiply
    74,838.36x = 112,197.96 × 43,212.59
  4. Step 4: Simplify right side
    74,838.36x = 4,848,364,304.07
  5. Step 5: Solve for x
    x = 4,848,364,304.07/74,838.36
  6. Step 6: Final answer
    x = 64,784.48

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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.