Home / 57,890.04-86,841.46-18,437.94

Finding the Fourth Proportional to 57,890.04, 86,841.46 and 18,437.94

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Solution

The fourth proportional to 57,890.04, 86,841.46 and 18,437.94 is: 27,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,890.04 : 86,841.46 = 18,437.94 : x
  2. Step 2: Convert to fraction form
    57,890.04/86,841.46 = 18,437.94/x
  3. Step 3: Cross multiply
    57,890.04x = 86,841.46 × 18,437.94
  4. Step 4: Simplify right side
    57,890.04x = 1,601,177,628.99
  5. Step 5: Solve for x
    x = 1,601,177,628.99/57,890.04
  6. Step 6: Final answer
    x = 27,658.95

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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.