Home / 76,386.84-114,586.41-29,024.61

Finding the Fourth Proportional to 76,386.84, 114,586.41 and 29,024.61

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Solution

The fourth proportional to 76,386.84, 114,586.41 and 29,024.61 is: 43,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386.84 : 114,586.41 = 29,024.61 : x
  2. Step 2: Convert to fraction form
    76,386.84/114,586.41 = 29,024.61/x
  3. Step 3: Cross multiply
    76,386.84x = 114,586.41 × 29,024.61
  4. Step 4: Simplify right side
    76,386.84x = 3,325,825,861.55
  5. Step 5: Solve for x
    x = 3,325,825,861.55/76,386.84
  6. Step 6: Final answer
    x = 43,539.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.