Home / 71,727.03-107,639.51-24,979.89

Finding the Fourth Proportional to 71,727.03, 107,639.51 and 24,979.89

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Solution

The fourth proportional to 71,727.03, 107,639.51 and 24,979.89 is: 37,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,727.03 : 107,639.51 = 24,979.89 : x
  2. Step 2: Convert to fraction form
    71,727.03/107,639.51 = 24,979.89/x
  3. Step 3: Cross multiply
    71,727.03x = 107,639.51 × 24,979.89
  4. Step 4: Simplify right side
    71,727.03x = 2,688,822,994.55
  5. Step 5: Solve for x
    x = 2,688,822,994.55/71,727.03
  6. Step 6: Final answer
    x = 37,486.89

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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.