Home / 45,770.15-68,628.74-14,171.76

Finding the Fourth Proportional to 45,770.15, 68,628.74 and 14,171.76

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Solution

The fourth proportional to 45,770.15, 68,628.74 and 14,171.76 is: 21,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.15 : 68,628.74 = 14,171.76 : x
  2. Step 2: Convert to fraction form
    45,770.15/68,628.74 = 14,171.76/x
  3. Step 3: Cross multiply
    45,770.15x = 68,628.74 × 14,171.76
  4. Step 4: Simplify right side
    45,770.15x = 972,590,081.10
  5. Step 5: Solve for x
    x = 972,590,081.10/45,770.15
  6. Step 6: Final answer
    x = 21,249.44

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1.5x scale

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.