Home / 105,993.13-146,271.33-57,595.54

Finding the Fourth Proportional to 105,993.13, 146,271.33 and 57,595.54

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Solution

The fourth proportional to 105,993.13, 146,271.33 and 57,595.54 is: 79,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,993.13 : 146,271.33 = 57,595.54 : x
  2. Step 2: Convert to fraction form
    105,993.13/146,271.33 = 57,595.54/x
  3. Step 3: Cross multiply
    105,993.13x = 146,271.33 × 57,595.54
  4. Step 4: Simplify right side
    105,993.13x = 8,424,576,237.87
  5. Step 5: Solve for x
    x = 8,424,576,237.87/105,993.13
  6. Step 6: Final answer
    x = 79,482.29

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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.