Home / 76,074.56-104,981.00-42,084.94

Finding the Fourth Proportional to 76,074.56, 104,981.00 and 42,084.94

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Solution

The fourth proportional to 76,074.56, 104,981.00 and 42,084.94 is: 58,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,074.56 : 104,981.00 = 42,084.94 : x
  2. Step 2: Convert to fraction form
    76,074.56/104,981.00 = 42,084.94/x
  3. Step 3: Cross multiply
    76,074.56x = 104,981.00 × 42,084.94
  4. Step 4: Simplify right side
    76,074.56x = 4,418,119,165.19
  5. Step 5: Solve for x
    x = 4,418,119,165.19/76,074.56
  6. Step 6: Final answer
    x = 58,076.17

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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.