Home / 74,874.48-103,325.99-40,882.86

Finding the Fourth Proportional to 74,874.48, 103,325.99 and 40,882.86

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Solution

The fourth proportional to 74,874.48, 103,325.99 and 40,882.86 is: 56,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,874.48 : 103,325.99 = 40,882.86 : x
  2. Step 2: Convert to fraction form
    74,874.48/103,325.99 = 40,882.86/x
  3. Step 3: Cross multiply
    74,874.48x = 103,325.99 × 40,882.86
  4. Step 4: Simplify right side
    74,874.48x = 4,224,261,983.53
  5. Step 5: Solve for x
    x = 4,224,261,983.53/74,874.48
  6. Step 6: Final answer
    x = 56,417.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.