Home / 78,708.65-118,028.22-22,536.01

Finding the Fourth Proportional to 78,708.65, 118,028.22 and 22,536.01

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Solution

The fourth proportional to 78,708.65, 118,028.22 and 22,536.01 is: 33,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,708.65 : 118,028.22 = 22,536.01 : x
  2. Step 2: Convert to fraction form
    78,708.65/118,028.22 = 22,536.01/x
  3. Step 3: Cross multiply
    78,708.65x = 118,028.22 × 22,536.01
  4. Step 4: Simplify right side
    78,708.65x = 2,659,884,672.08
  5. Step 5: Solve for x
    x = 2,659,884,672.08/78,708.65
  6. Step 6: Final answer
    x = 33,794.06

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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.