Home / 76,035.73-104,920.14-42,039.62

Finding the Fourth Proportional to 76,035.73, 104,920.14 and 42,039.62

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Solution

The fourth proportional to 76,035.73, 104,920.14 and 42,039.62 is: 58,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.73 : 104,920.14 = 42,039.62 : x
  2. Step 2: Convert to fraction form
    76,035.73/104,920.14 = 42,039.62/x
  3. Step 3: Cross multiply
    76,035.73x = 104,920.14 × 42,039.62
  4. Step 4: Simplify right side
    76,035.73x = 4,410,802,815.95
  5. Step 5: Solve for x
    x = 4,410,802,815.95/76,035.73
  6. Step 6: Final answer
    x = 58,009.61

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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.