Home / 58,788.66-88,186.32-18,811.16

Finding the Fourth Proportional to 58,788.66, 88,186.32 and 18,811.16

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Solution

The fourth proportional to 58,788.66, 88,186.32 and 18,811.16 is: 28,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,788.66 : 88,186.32 = 18,811.16 : x
  2. Step 2: Convert to fraction form
    58,788.66/88,186.32 = 18,811.16/x
  3. Step 3: Cross multiply
    58,788.66x = 88,186.32 × 18,811.16
  4. Step 4: Simplify right side
    58,788.66x = 1,658,886,975.33
  5. Step 5: Solve for x
    x = 1,658,886,975.33/58,788.66
  6. Step 6: Final answer
    x = 28,217.81

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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.