Home / 92,142.63-127,174.23-57,703.37

Finding the Fourth Proportional to 92,142.63, 127,174.23 and 57,703.37

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Solution

The fourth proportional to 92,142.63, 127,174.23 and 57,703.37 is: 79,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,142.63 : 127,174.23 = 57,703.37 : x
  2. Step 2: Convert to fraction form
    92,142.63/127,174.23 = 57,703.37/x
  3. Step 3: Cross multiply
    92,142.63x = 127,174.23 × 57,703.37
  4. Step 4: Simplify right side
    92,142.63x = 7,338,381,012.28
  5. Step 5: Solve for x
    x = 7,338,381,012.28/92,142.63
  6. Step 6: Final answer
    x = 79,641.54

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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.