Home / 74,816.39-112,228.43-71,032.88

Finding the Fourth Proportional to 74,816.39, 112,228.43 and 71,032.88

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Solution

The fourth proportional to 74,816.39, 112,228.43 and 71,032.88 is: 106,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,816.39 : 112,228.43 = 71,032.88 : x
  2. Step 2: Convert to fraction form
    74,816.39/112,228.43 = 71,032.88/x
  3. Step 3: Cross multiply
    74,816.39x = 112,228.43 × 71,032.88
  4. Step 4: Simplify right side
    74,816.39x = 7,971,907,684.47
  5. Step 5: Solve for x
    x = 7,971,907,684.47/74,816.39
  6. Step 6: Final answer
    x = 106,552.97

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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.