Home / 74,835.40-103,274.97-40,846.04

Finding the Fourth Proportional to 74,835.40, 103,274.97 and 40,846.04

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Solution

The fourth proportional to 74,835.40, 103,274.97 and 40,846.04 is: 56,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,835.40 : 103,274.97 = 40,846.04 : x
  2. Step 2: Convert to fraction form
    74,835.40/103,274.97 = 40,846.04/x
  3. Step 3: Cross multiply
    74,835.40x = 103,274.97 × 40,846.04
  4. Step 4: Simplify right side
    74,835.40x = 4,218,373,555.62
  5. Step 5: Solve for x
    x = 4,218,373,555.62/74,835.40
  6. Step 6: Final answer
    x = 56,368.69

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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.