Home / 72,186.54-108,252.78-24,788.16

Finding the Fourth Proportional to 72,186.54, 108,252.78 and 24,788.16

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Solution

The fourth proportional to 72,186.54, 108,252.78 and 24,788.16 is: 37,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,186.54 : 108,252.78 = 24,788.16 : x
  2. Step 2: Convert to fraction form
    72,186.54/108,252.78 = 24,788.16/x
  3. Step 3: Cross multiply
    72,186.54x = 108,252.78 × 24,788.16
  4. Step 4: Simplify right side
    72,186.54x = 2,683,387,231.08
  5. Step 5: Solve for x
    x = 2,683,387,231.08/72,186.54
  6. Step 6: Final answer
    x = 37,172.96

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1.5x scale

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.