Home / 66,384.83-99,491.13-26,920.41

Finding the Fourth Proportional to 66,384.83, 99,491.13 and 26,920.41

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Solution

The fourth proportional to 66,384.83, 99,491.13 and 26,920.41 is: 40,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384.83 : 99,491.13 = 26,920.41 : x
  2. Step 2: Convert to fraction form
    66,384.83/99,491.13 = 26,920.41/x
  3. Step 3: Cross multiply
    66,384.83x = 99,491.13 × 26,920.41
  4. Step 4: Simplify right side
    66,384.83x = 2,678,342,010.96
  5. Step 5: Solve for x
    x = 2,678,342,010.96/66,384.83
  6. Step 6: Final answer
    x = 40,345.69

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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.