Home / 104,429.30-156,730.35-48,355.70

Finding the Fourth Proportional to 104,429.30, 156,730.35 and 48,355.70

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Solution

The fourth proportional to 104,429.30, 156,730.35 and 48,355.70 is: 72,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.30 : 156,730.35 = 48,355.70 : x
  2. Step 2: Convert to fraction form
    104,429.30/156,730.35 = 48,355.70/x
  3. Step 3: Cross multiply
    104,429.30x = 156,730.35 × 48,355.70
  4. Step 4: Simplify right side
    104,429.30x = 7,578,805,785.50
  5. Step 5: Solve for x
    x = 7,578,805,785.50/104,429.30
  6. Step 6: Final answer
    x = 72,573.56

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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.