Home / 74,835.27-103,274.82-40,845.87

Finding the Fourth Proportional to 74,835.27, 103,274.82 and 40,845.87

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Solution

The fourth proportional to 74,835.27, 103,274.82 and 40,845.87 is: 56,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,835.27 : 103,274.82 = 40,845.87 : x
  2. Step 2: Convert to fraction form
    74,835.27/103,274.82 = 40,845.87/x
  3. Step 3: Cross multiply
    74,835.27x = 103,274.82 × 40,845.87
  4. Step 4: Simplify right side
    74,835.27x = 4,218,349,871.99
  5. Step 5: Solve for x
    x = 4,218,349,871.99/74,835.27
  6. Step 6: Final answer
    x = 56,368.47

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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.