Home / 104,648.87-144,414.69-56,902.25

Finding the Fourth Proportional to 104,648.87, 144,414.69 and 56,902.25

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Solution

The fourth proportional to 104,648.87, 144,414.69 and 56,902.25 is: 78,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,648.87 : 144,414.69 = 56,902.25 : x
  2. Step 2: Convert to fraction form
    104,648.87/144,414.69 = 56,902.25/x
  3. Step 3: Cross multiply
    104,648.87x = 144,414.69 × 56,902.25
  4. Step 4: Simplify right side
    104,648.87x = 8,217,520,071.98
  5. Step 5: Solve for x
    x = 8,217,520,071.98/104,648.87
  6. Step 6: Final answer
    x = 78,524.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.