Home / 74,557.62-102,891.87-42,736.50

Finding the Fourth Proportional to 74,557.62, 102,891.87 and 42,736.50

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Solution

The fourth proportional to 74,557.62, 102,891.87 and 42,736.50 is: 58,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.62 : 102,891.87 = 42,736.50 : x
  2. Step 2: Convert to fraction form
    74,557.62/102,891.87 = 42,736.50/x
  3. Step 3: Cross multiply
    74,557.62x = 102,891.87 × 42,736.50
  4. Step 4: Simplify right side
    74,557.62x = 4,397,238,402.26
  5. Step 5: Solve for x
    x = 4,397,238,402.26/74,557.62
  6. Step 6: Final answer
    x = 58,977.72

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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.