Home / 71,845.04-107,767.56-21,925.39

Finding the Fourth Proportional to 71,845.04, 107,767.56 and 21,925.39

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Solution

The fourth proportional to 71,845.04, 107,767.56 and 21,925.39 is: 32,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,845.04 : 107,767.56 = 21,925.39 : x
  2. Step 2: Convert to fraction form
    71,845.04/107,767.56 = 21,925.39/x
  3. Step 3: Cross multiply
    71,845.04x = 107,767.56 × 21,925.39
  4. Step 4: Simplify right side
    71,845.04x = 2,362,845,727.53
  5. Step 5: Solve for x
    x = 2,362,845,727.53/71,845.04
  6. Step 6: Final answer
    x = 32,888.09

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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.