Home / 48,466.14-72,700.65-18,890.70

Finding the Fourth Proportional to 48,466.14, 72,700.65 and 18,890.70

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Solution

The fourth proportional to 48,466.14, 72,700.65 and 18,890.70 is: 28,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,466.14 : 72,700.65 = 18,890.70 : x
  2. Step 2: Convert to fraction form
    48,466.14/72,700.65 = 18,890.70/x
  3. Step 3: Cross multiply
    48,466.14x = 72,700.65 × 18,890.70
  4. Step 4: Simplify right side
    48,466.14x = 1,373,366,168.96
  5. Step 5: Solve for x
    x = 1,373,366,168.96/48,466.14
  6. Step 6: Final answer
    x = 28,336.61

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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.