Home / 94,721.14-142,089.39-31,538.98

Finding the Fourth Proportional to 94,721.14, 142,089.39 and 31,538.98

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Solution

The fourth proportional to 94,721.14, 142,089.39 and 31,538.98 is: 47,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.14 : 142,089.39 = 31,538.98 : x
  2. Step 2: Convert to fraction form
    94,721.14/142,089.39 = 31,538.98/x
  3. Step 3: Cross multiply
    94,721.14x = 142,089.39 × 31,538.98
  4. Step 4: Simplify right side
    94,721.14x = 4,481,354,429.42
  5. Step 5: Solve for x
    x = 4,481,354,429.42/94,721.14
  6. Step 6: Final answer
    x = 47,311.03

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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.