Home / 104,521.76-156,724.32-34,382.24

Finding the Fourth Proportional to 104,521.76, 156,724.32 and 34,382.24

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Solution

The fourth proportional to 104,521.76, 156,724.32 and 34,382.24 is: 51,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521.76 : 156,724.32 = 34,382.24 : x
  2. Step 2: Convert to fraction form
    104,521.76/156,724.32 = 34,382.24/x
  3. Step 3: Cross multiply
    104,521.76x = 156,724.32 × 34,382.24
  4. Step 4: Simplify right side
    104,521.76x = 5,388,533,184.08
  5. Step 5: Solve for x
    x = 5,388,533,184.08/104,521.76
  6. Step 6: Final answer
    x = 51,554.18

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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.