Home / 74,396.70-102,685.30-42,584.04

Finding the Fourth Proportional to 74,396.70, 102,685.30 and 42,584.04

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Solution

The fourth proportional to 74,396.70, 102,685.30 and 42,584.04 is: 58,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,396.70 : 102,685.30 = 42,584.04 : x
  2. Step 2: Convert to fraction form
    74,396.70/102,685.30 = 42,584.04/x
  3. Step 3: Cross multiply
    74,396.70x = 102,685.30 × 42,584.04
  4. Step 4: Simplify right side
    74,396.70x = 4,372,754,922.61
  5. Step 5: Solve for x
    x = 4,372,754,922.61/74,396.70
  6. Step 6: Final answer
    x = 58,776.19

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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.