Home / 74,110.44-102,247.02-42,256.44

Finding the Fourth Proportional to 74,110.44, 102,247.02 and 42,256.44

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Solution

The fourth proportional to 74,110.44, 102,247.02 and 42,256.44 is: 58,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,110.44 : 102,247.02 = 42,256.44 : x
  2. Step 2: Convert to fraction form
    74,110.44/102,247.02 = 42,256.44/x
  3. Step 3: Cross multiply
    74,110.44x = 102,247.02 × 42,256.44
  4. Step 4: Simplify right side
    74,110.44x = 4,320,595,065.81
  5. Step 5: Solve for x
    x = 4,320,595,065.81/74,110.44
  6. Step 6: Final answer
    x = 58,299.41

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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.