Home / 92,606.12-138,933.66-53,177

Finding the Fourth Proportional to 92,606.12, 138,933.66 and 53,177

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Solution

The fourth proportional to 92,606.12, 138,933.66 and 53,177 is: 79,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,606.12 : 138,933.66 = 53,177 : x
  2. Step 2: Convert to fraction form
    92,606.12/138,933.66 = 53,177/x
  3. Step 3: Cross multiply
    92,606.12x = 138,933.66 × 53,177
  4. Step 4: Simplify right side
    92,606.12x = 7,388,075,237.82
  5. Step 5: Solve for x
    x = 7,388,075,237.82/92,606.12
  6. Step 6: Final answer
    x = 79,779.56

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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.