Home / 45,000.06-67,463.58-18,724.48

Finding the Fourth Proportional to 45,000.06, 67,463.58 and 18,724.48

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Solution

The fourth proportional to 45,000.06, 67,463.58 and 18,724.48 is: 28,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.06 : 67,463.58 = 18,724.48 : x
  2. Step 2: Convert to fraction form
    45,000.06/67,463.58 = 18,724.48/x
  3. Step 3: Cross multiply
    45,000.06x = 67,463.58 × 18,724.48
  4. Step 4: Simplify right side
    45,000.06x = 1,263,220,454.44
  5. Step 5: Solve for x
    x = 1,263,220,454.44/45,000.06
  6. Step 6: Final answer
    x = 28,071.53

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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.