Home / 74,510.44-102,825.66-42,682.12

Finding the Fourth Proportional to 74,510.44, 102,825.66 and 42,682.12

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Solution

The fourth proportional to 74,510.44, 102,825.66 and 42,682.12 is: 58,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,510.44 : 102,825.66 = 42,682.12 : x
  2. Step 2: Convert to fraction form
    74,510.44/102,825.66 = 42,682.12/x
  3. Step 3: Cross multiply
    74,510.44x = 102,825.66 × 42,682.12
  4. Step 4: Simplify right side
    74,510.44x = 4,388,817,159.20
  5. Step 5: Solve for x
    x = 4,388,817,159.20/74,510.44
  6. Step 6: Final answer
    x = 58,902.04

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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.