Home / 104,048.15-156,012.61-31,982.29

Finding the Fourth Proportional to 104,048.15, 156,012.61 and 31,982.29

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Solution

The fourth proportional to 104,048.15, 156,012.61 and 31,982.29 is: 47,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.15 : 156,012.61 = 31,982.29 : x
  2. Step 2: Convert to fraction form
    104,048.15/156,012.61 = 31,982.29/x
  3. Step 3: Cross multiply
    104,048.15x = 156,012.61 × 31,982.29
  4. Step 4: Simplify right side
    104,048.15x = 4,989,641,084.18
  5. Step 5: Solve for x
    x = 4,989,641,084.18/104,048.15
  6. Step 6: Final answer
    x = 47,955.12

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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.