Home / 74,046.21-102,142.25-45,379.77

Finding the Fourth Proportional to 74,046.21, 102,142.25 and 45,379.77

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Solution

The fourth proportional to 74,046.21, 102,142.25 and 45,379.77 is: 62,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,046.21 : 102,142.25 = 45,379.77 : x
  2. Step 2: Convert to fraction form
    74,046.21/102,142.25 = 45,379.77/x
  3. Step 3: Cross multiply
    74,046.21x = 102,142.25 × 45,379.77
  4. Step 4: Simplify right side
    74,046.21x = 4,635,191,074.67
  5. Step 5: Solve for x
    x = 4,635,191,074.67/74,046.21
  6. Step 6: Final answer
    x = 62,598.63

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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.