Home / 92,143.63-127,175.61-57,704.37

Finding the Fourth Proportional to 92,143.63, 127,175.61 and 57,704.37

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Solution

The fourth proportional to 92,143.63, 127,175.61 and 57,704.37 is: 79,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,143.63 : 127,175.61 = 57,704.37 : x
  2. Step 2: Convert to fraction form
    92,143.63/127,175.61 = 57,704.37/x
  3. Step 3: Cross multiply
    92,143.63x = 127,175.61 × 57,704.37
  4. Step 4: Simplify right side
    92,143.63x = 7,338,588,454.42
  5. Step 5: Solve for x
    x = 7,338,588,454.42/92,143.63
  6. Step 6: Final answer
    x = 79,642.93

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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.