Home / 124,858.81-186,808.98-71,576.34

Finding the Fourth Proportional to 124,858.81, 186,808.98 and 71,576.34

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Solution

The fourth proportional to 124,858.81, 186,808.98 and 71,576.34 is: 107,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,858.81 : 186,808.98 = 71,576.34 : x
  2. Step 2: Convert to fraction form
    124,858.81/186,808.98 = 71,576.34/x
  3. Step 3: Cross multiply
    124,858.81x = 186,808.98 × 71,576.34
  4. Step 4: Simplify right side
    124,858.81x = 13,371,103,067.53
  5. Step 5: Solve for x
    x = 13,371,103,067.53/124,858.81
  6. Step 6: Final answer
    x = 107,089.78

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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.