Home / 104,452.12-144,141.69-56,705.05

Finding the Fourth Proportional to 104,452.12, 144,141.69 and 56,705.05

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Solution

The fourth proportional to 104,452.12, 144,141.69 and 56,705.05 is: 78,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,452.12 : 144,141.69 = 56,705.05 : x
  2. Step 2: Convert to fraction form
    104,452.12/144,141.69 = 56,705.05/x
  3. Step 3: Cross multiply
    104,452.12x = 144,141.69 × 56,705.05
  4. Step 4: Simplify right side
    104,452.12x = 8,173,561,738.53
  5. Step 5: Solve for x
    x = 8,173,561,738.53/104,452.12
  6. Step 6: Final answer
    x = 78,251.76

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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.