Home / 105,511.74-158,283.24-30,632.50

Finding the Fourth Proportional to 105,511.74, 158,283.24 and 30,632.50

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Solution

The fourth proportional to 105,511.74, 158,283.24 and 30,632.50 is: 45,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,511.74 : 158,283.24 = 30,632.50 : x
  2. Step 2: Convert to fraction form
    105,511.74/158,283.24 = 30,632.50/x
  3. Step 3: Cross multiply
    105,511.74x = 158,283.24 × 30,632.50
  4. Step 4: Simplify right side
    105,511.74x = 4,848,611,349.30
  5. Step 5: Solve for x
    x = 4,848,611,349.30/105,511.74
  6. Step 6: Final answer
    x = 45,953.29

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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.