Home / 74,579.55-102,919.77-41,045.55

Finding the Fourth Proportional to 74,579.55, 102,919.77 and 41,045.55

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Solution

The fourth proportional to 74,579.55, 102,919.77 and 41,045.55 is: 56,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,579.55 : 102,919.77 = 41,045.55 : x
  2. Step 2: Convert to fraction form
    74,579.55/102,919.77 = 41,045.55/x
  3. Step 3: Cross multiply
    74,579.55x = 102,919.77 × 41,045.55
  4. Step 4: Simplify right side
    74,579.55x = 4,224,398,565.52
  5. Step 5: Solve for x
    x = 4,224,398,565.52/74,579.55
  6. Step 6: Final answer
    x = 56,642.85

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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.