Home / 109,054.98-163,465.83-49,801.86

Finding the Fourth Proportional to 109,054.98, 163,465.83 and 49,801.86

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Solution

The fourth proportional to 109,054.98, 163,465.83 and 49,801.86 is: 74,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.98 : 163,465.83 = 49,801.86 : x
  2. Step 2: Convert to fraction form
    109,054.98/163,465.83 = 49,801.86/x
  3. Step 3: Cross multiply
    109,054.98x = 163,465.83 × 49,801.86
  4. Step 4: Simplify right side
    109,054.98x = 8,140,902,380.44
  5. Step 5: Solve for x
    x = 8,140,902,380.44/109,054.98
  6. Step 6: Final answer
    x = 74,649.52

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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.