Home / 74,649.02-103,015.64-41,115.02

Finding the Fourth Proportional to 74,649.02, 103,015.64 and 41,115.02

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Solution

The fourth proportional to 74,649.02, 103,015.64 and 41,115.02 is: 56,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,649.02 : 103,015.64 = 41,115.02 : x
  2. Step 2: Convert to fraction form
    74,649.02/103,015.64 = 41,115.02/x
  3. Step 3: Cross multiply
    74,649.02x = 103,015.64 × 41,115.02
  4. Step 4: Simplify right side
    74,649.02x = 4,235,490,098.91
  5. Step 5: Solve for x
    x = 4,235,490,098.91/74,649.02
  6. Step 6: Final answer
    x = 56,738.72

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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.