Home / 104,680.40-156,790.20-63,054.80

Finding the Fourth Proportional to 104,680.40, 156,790.20 and 63,054.80

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Solution

The fourth proportional to 104,680.40, 156,790.20 and 63,054.80 is: 94,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,680.40 : 156,790.20 = 63,054.80 : x
  2. Step 2: Convert to fraction form
    104,680.40/156,790.20 = 63,054.80/x
  3. Step 3: Cross multiply
    104,680.40x = 156,790.20 × 63,054.80
  4. Step 4: Simplify right side
    104,680.40x = 9,886,374,702.96
  5. Step 5: Solve for x
    x = 9,886,374,702.96/104,680.40
  6. Step 6: Final answer
    x = 94,443.42

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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.