Home / 105,916.26-158,940.04-61,563.90

Finding the Fourth Proportional to 105,916.26, 158,940.04 and 61,563.90

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Solution

The fourth proportional to 105,916.26, 158,940.04 and 61,563.90 is: 92,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.26 : 158,940.04 = 61,563.90 : x
  2. Step 2: Convert to fraction form
    105,916.26/158,940.04 = 61,563.90/x
  3. Step 3: Cross multiply
    105,916.26x = 158,940.04 × 61,563.90
  4. Step 4: Simplify right side
    105,916.26x = 9,784,968,728.56
  5. Step 5: Solve for x
    x = 9,784,968,728.56/105,916.26
  6. Step 6: Final answer
    x = 92,384.01

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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.