Home / 74,326.62-102,527.85-47,438.83

Finding the Fourth Proportional to 74,326.62, 102,527.85 and 47,438.83

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Solution

The fourth proportional to 74,326.62, 102,527.85 and 47,438.83 is: 65,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.62 : 102,527.85 = 47,438.83 : x
  2. Step 2: Convert to fraction form
    74,326.62/102,527.85 = 47,438.83/x
  3. Step 3: Cross multiply
    74,326.62x = 102,527.85 × 47,438.83
  4. Step 4: Simplify right side
    74,326.62x = 4,863,801,552.47
  5. Step 5: Solve for x
    x = 4,863,801,552.47/74,326.62
  6. Step 6: Final answer
    x = 65,438.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.