Home / 76,035.66-104,920.05-42,039.56

Finding the Fourth Proportional to 76,035.66, 104,920.05 and 42,039.56

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Solution

The fourth proportional to 76,035.66, 104,920.05 and 42,039.56 is: 58,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.66 : 104,920.05 = 42,039.56 : x
  2. Step 2: Convert to fraction form
    76,035.66/104,920.05 = 42,039.56/x
  3. Step 3: Cross multiply
    76,035.66x = 104,920.05 × 42,039.56
  4. Step 4: Simplify right side
    76,035.66x = 4,410,792,737.18
  5. Step 5: Solve for x
    x = 4,410,792,737.18/76,035.66
  6. Step 6: Final answer
    x = 58,009.53

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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.