Home / 89,870.85-124,022.46-49,586.09

Finding the Fourth Proportional to 89,870.85, 124,022.46 and 49,586.09

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Solution

The fourth proportional to 89,870.85, 124,022.46 and 49,586.09 is: 68,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,870.85 : 124,022.46 = 49,586.09 : x
  2. Step 2: Convert to fraction form
    89,870.85/124,022.46 = 49,586.09/x
  3. Step 3: Cross multiply
    89,870.85x = 124,022.46 × 49,586.09
  4. Step 4: Simplify right side
    89,870.85x = 6,149,788,243.47
  5. Step 5: Solve for x
    x = 6,149,788,243.47/89,870.85
  6. Step 6: Final answer
    x = 68,429.18

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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.