Home / 66,084.81-99,146.66-26,621.61

Finding the Fourth Proportional to 66,084.81, 99,146.66 and 26,621.61

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Solution

The fourth proportional to 66,084.81, 99,146.66 and 26,621.61 is: 39,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.81 : 99,146.66 = 26,621.61 : x
  2. Step 2: Convert to fraction form
    66,084.81/99,146.66 = 26,621.61/x
  3. Step 3: Cross multiply
    66,084.81x = 99,146.66 × 26,621.61
  4. Step 4: Simplify right side
    66,084.81x = 2,639,443,582.21
  5. Step 5: Solve for x
    x = 2,639,443,582.21/66,084.81
  6. Step 6: Final answer
    x = 39,940.25

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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.