Home / 125,343.42-187,916.51-62,120.09

Finding the Fourth Proportional to 125,343.42, 187,916.51 and 62,120.09

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Solution

The fourth proportional to 125,343.42, 187,916.51 and 62,120.09 is: 93,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,343.42 : 187,916.51 = 62,120.09 : x
  2. Step 2: Convert to fraction form
    125,343.42/187,916.51 = 62,120.09/x
  3. Step 3: Cross multiply
    125,343.42x = 187,916.51 × 62,120.09
  4. Step 4: Simplify right side
    125,343.42x = 11,673,389,729.40
  5. Step 5: Solve for x
    x = 11,673,389,729.40/125,343.42
  6. Step 6: Final answer
    x = 93,131.25

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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.