Home / 111,723.23-167,490.67-48,495.71

Finding the Fourth Proportional to 111,723.23, 167,490.67 and 48,495.71

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Solution

The fourth proportional to 111,723.23, 167,490.67 and 48,495.71 is: 72,702.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,723.23 : 167,490.67 = 48,495.71 : x
  2. Step 2: Convert to fraction form
    111,723.23/167,490.67 = 48,495.71/x
  3. Step 3: Cross multiply
    111,723.23x = 167,490.67 × 48,495.71
  4. Step 4: Simplify right side
    111,723.23x = 8,122,578,960.03
  5. Step 5: Solve for x
    x = 8,122,578,960.03/111,723.23
  6. Step 6: Final answer
    x = 72,702.69

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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.