Home / 45,764.95-68,657.47-13,742.61

Finding the Fourth Proportional to 45,764.95, 68,657.47 and 13,742.61

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Solution

The fourth proportional to 45,764.95, 68,657.47 and 13,742.61 is: 20,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,764.95 : 68,657.47 = 13,742.61 : x
  2. Step 2: Convert to fraction form
    45,764.95/68,657.47 = 13,742.61/x
  3. Step 3: Cross multiply
    45,764.95x = 68,657.47 × 13,742.61
  4. Step 4: Simplify right side
    45,764.95x = 943,532,765.08
  5. Step 5: Solve for x
    x = 943,532,765.08/45,764.95
  6. Step 6: Final answer
    x = 20,616.93

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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.