Home / 45,599.19-68,396.20-12,316.74

Finding the Fourth Proportional to 45,599.19, 68,396.20 and 12,316.74

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Solution

The fourth proportional to 45,599.19, 68,396.20 and 12,316.74 is: 18,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,599.19 : 68,396.20 = 12,316.74 : x
  2. Step 2: Convert to fraction form
    45,599.19/68,396.20 = 12,316.74/x
  3. Step 3: Cross multiply
    45,599.19x = 68,396.20 × 12,316.74
  4. Step 4: Simplify right side
    45,599.19x = 842,418,309.84
  5. Step 5: Solve for x
    x = 842,418,309.84/45,599.19
  6. Step 6: Final answer
    x = 18,474.42

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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.