Home / 66,101.09-99,117.62-26,647.61

Finding the Fourth Proportional to 66,101.09, 99,117.62 and 26,647.61

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Solution

The fourth proportional to 66,101.09, 99,117.62 and 26,647.61 is: 39,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,101.09 : 99,117.62 = 26,647.61 : x
  2. Step 2: Convert to fraction form
    66,101.09/99,117.62 = 26,647.61/x
  3. Step 3: Cross multiply
    66,101.09x = 99,117.62 × 26,647.61
  4. Step 4: Simplify right side
    66,101.09x = 2,641,247,548.65
  5. Step 5: Solve for x
    x = 2,641,247,548.65/66,101.09
  6. Step 6: Final answer
    x = 39,957.70

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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.