Home / 66,558.22-99,809.61-27,088.54

Finding the Fourth Proportional to 66,558.22, 99,809.61 and 27,088.54

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Solution

The fourth proportional to 66,558.22, 99,809.61 and 27,088.54 is: 40,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.22 : 99,809.61 = 27,088.54 : x
  2. Step 2: Convert to fraction form
    66,558.22/99,809.61 = 27,088.54/x
  3. Step 3: Cross multiply
    66,558.22x = 99,809.61 × 27,088.54
  4. Step 4: Simplify right side
    66,558.22x = 2,703,696,612.87
  5. Step 5: Solve for x
    x = 2,703,696,612.87/66,558.22
  6. Step 6: Final answer
    x = 40,621.53

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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.