Home / 74,298.42-102,530.04-41,145.69

Finding the Fourth Proportional to 74,298.42, 102,530.04 and 41,145.69

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Solution

The fourth proportional to 74,298.42, 102,530.04 and 41,145.69 is: 56,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,298.42 : 102,530.04 = 41,145.69 : x
  2. Step 2: Convert to fraction form
    74,298.42/102,530.04 = 41,145.69/x
  3. Step 3: Cross multiply
    74,298.42x = 102,530.04 × 41,145.69
  4. Step 4: Simplify right side
    74,298.42x = 4,218,669,241.53
  5. Step 5: Solve for x
    x = 4,218,669,241.53/74,298.42
  6. Step 6: Final answer
    x = 56,780.07

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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.