Home / 66,379.18-99,587.23-28,942.53

Finding the Fourth Proportional to 66,379.18, 99,587.23 and 28,942.53

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Solution

The fourth proportional to 66,379.18, 99,587.23 and 28,942.53 is: 43,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,379.18 : 99,587.23 = 28,942.53 : x
  2. Step 2: Convert to fraction form
    66,379.18/99,587.23 = 28,942.53/x
  3. Step 3: Cross multiply
    66,379.18x = 99,587.23 × 28,942.53
  4. Step 4: Simplify right side
    66,379.18x = 2,882,306,391.89
  5. Step 5: Solve for x
    x = 2,882,306,391.89/66,379.18
  6. Step 6: Final answer
    x = 43,421.84

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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.