Home / 92,089.09-138,133.67-41,428.94

Finding the Fourth Proportional to 92,089.09, 138,133.67 and 41,428.94

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Solution

The fourth proportional to 92,089.09, 138,133.67 and 41,428.94 is: 62,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,089.09 : 138,133.67 = 41,428.94 : x
  2. Step 2: Convert to fraction form
    92,089.09/138,133.67 = 41,428.94/x
  3. Step 3: Cross multiply
    92,089.09x = 138,133.67 × 41,428.94
  4. Step 4: Simplify right side
    92,089.09x = 5,722,731,075.36
  5. Step 5: Solve for x
    x = 5,722,731,075.36/92,089.09
  6. Step 6: Final answer
    x = 62,143.42

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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.