Home / 66,442.42-99,663.63-27,002.61

Finding the Fourth Proportional to 66,442.42, 99,663.63 and 27,002.61

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Solution

The fourth proportional to 66,442.42, 99,663.63 and 27,002.61 is: 40,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.42 : 99,663.63 = 27,002.61 : x
  2. Step 2: Convert to fraction form
    66,442.42/99,663.63 = 27,002.61/x
  3. Step 3: Cross multiply
    66,442.42x = 99,663.63 × 27,002.61
  4. Step 4: Simplify right side
    66,442.42x = 2,691,178,132.07
  5. Step 5: Solve for x
    x = 2,691,178,132.07/66,442.42
  6. Step 6: Final answer
    x = 40,503.92

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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.