Home / 105,573.31-158,375.41-30,683.70

Finding the Fourth Proportional to 105,573.31, 158,375.41 and 30,683.70

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Solution

The fourth proportional to 105,573.31, 158,375.41 and 30,683.70 is: 46,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,573.31 : 158,375.41 = 30,683.70 : x
  2. Step 2: Convert to fraction form
    105,573.31/158,375.41 = 30,683.70/x
  3. Step 3: Cross multiply
    105,573.31x = 158,375.41 × 30,683.70
  4. Step 4: Simplify right side
    105,573.31x = 4,859,543,491.11
  5. Step 5: Solve for x
    x = 4,859,543,491.11/105,573.31
  6. Step 6: Final answer
    x = 46,030.04

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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.