Home / 45,338.94-68,013.59-12,060.36

Finding the Fourth Proportional to 45,338.94, 68,013.59 and 12,060.36

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Solution

The fourth proportional to 45,338.94, 68,013.59 and 12,060.36 is: 18,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.94 : 68,013.59 = 12,060.36 : x
  2. Step 2: Convert to fraction form
    45,338.94/68,013.59 = 12,060.36/x
  3. Step 3: Cross multiply
    45,338.94x = 68,013.59 × 12,060.36
  4. Step 4: Simplify right side
    45,338.94x = 820,268,319.99
  5. Step 5: Solve for x
    x = 820,268,319.99/45,338.94
  6. Step 6: Final answer
    x = 18,091.92

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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.