Home / 45,597.94-68,391.74-12,316.05

Finding the Fourth Proportional to 45,597.94, 68,391.74 and 12,316.05

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Solution

The fourth proportional to 45,597.94, 68,391.74 and 12,316.05 is: 18,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,597.94 : 68,391.74 = 12,316.05 : x
  2. Step 2: Convert to fraction form
    45,597.94/68,391.74 = 12,316.05/x
  3. Step 3: Cross multiply
    45,597.94x = 68,391.74 × 12,316.05
  4. Step 4: Simplify right side
    45,597.94x = 842,316,120.22
  5. Step 5: Solve for x
    x = 842,316,120.22/45,597.94
  6. Step 6: Final answer
    x = 18,472.68

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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.