Home / 74,557.58-102,892.30-42,732.62

Finding the Fourth Proportional to 74,557.58, 102,892.30 and 42,732.62

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Solution

The fourth proportional to 74,557.58, 102,892.30 and 42,732.62 is: 58,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.58 : 102,892.30 = 42,732.62 : x
  2. Step 2: Convert to fraction form
    74,557.58/102,892.30 = 42,732.62/x
  3. Step 3: Cross multiply
    74,557.58x = 102,892.30 × 42,732.62
  4. Step 4: Simplify right side
    74,557.58x = 4,396,857,707.23
  5. Step 5: Solve for x
    x = 4,396,857,707.23/74,557.58
  6. Step 6: Final answer
    x = 58,972.64

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1.5x scale

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.