Home / 123,376.71-185,036.67-39,121.23

Finding the Fourth Proportional to 123,376.71, 185,036.67 and 39,121.23

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Solution

The fourth proportional to 123,376.71, 185,036.67 and 39,121.23 is: 58,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,376.71 : 185,036.67 = 39,121.23 : x
  2. Step 2: Convert to fraction form
    123,376.71/185,036.67 = 39,121.23/x
  3. Step 3: Cross multiply
    123,376.71x = 185,036.67 × 39,121.23
  4. Step 4: Simplify right side
    123,376.71x = 7,238,862,125.50
  5. Step 5: Solve for x
    x = 7,238,862,125.50/123,376.71
  6. Step 6: Final answer
    x = 58,672.84

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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.