Home / 104,117.20-156,129.63-47,943.70

Finding the Fourth Proportional to 104,117.20, 156,129.63 and 47,943.70

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Solution

The fourth proportional to 104,117.20, 156,129.63 and 47,943.70 is: 71,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,117.20 : 156,129.63 = 47,943.70 : x
  2. Step 2: Convert to fraction form
    104,117.20/156,129.63 = 47,943.70/x
  3. Step 3: Cross multiply
    104,117.20x = 156,129.63 × 47,943.70
  4. Step 4: Simplify right side
    104,117.20x = 7,485,432,141.83
  5. Step 5: Solve for x
    x = 7,485,432,141.83/104,117.20
  6. Step 6: Final answer
    x = 71,894.29

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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.