Home / 105,563.28-158,349.65-34,490.24

Finding the Fourth Proportional to 105,563.28, 158,349.65 and 34,490.24

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Solution

The fourth proportional to 105,563.28, 158,349.65 and 34,490.24 is: 51,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,563.28 : 158,349.65 = 34,490.24 : x
  2. Step 2: Convert to fraction form
    105,563.28/158,349.65 = 34,490.24/x
  3. Step 3: Cross multiply
    105,563.28x = 158,349.65 × 34,490.24
  4. Step 4: Simplify right side
    105,563.28x = 5,461,517,887.70
  5. Step 5: Solve for x
    x = 5,461,517,887.70/105,563.28
  6. Step 6: Final answer
    x = 51,736.91

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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.