Home / 74,677.29-103,054.60-41,143.29

Finding the Fourth Proportional to 74,677.29, 103,054.60 and 41,143.29

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Solution

The fourth proportional to 74,677.29, 103,054.60 and 41,143.29 is: 56,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.29 : 103,054.60 = 41,143.29 : x
  2. Step 2: Convert to fraction form
    74,677.29/103,054.60 = 41,143.29/x
  3. Step 3: Cross multiply
    74,677.29x = 103,054.60 × 41,143.29
  4. Step 4: Simplify right side
    74,677.29x = 4,240,004,675.50
  5. Step 5: Solve for x
    x = 4,240,004,675.50/74,677.29
  6. Step 6: Final answer
    x = 56,777.70

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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.