Home / 123,655.50-185,497.96-39,386.06

Finding the Fourth Proportional to 123,655.50, 185,497.96 and 39,386.06

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Solution

The fourth proportional to 123,655.50, 185,497.96 and 39,386.06 is: 59,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,655.50 : 185,497.96 = 39,386.06 : x
  2. Step 2: Convert to fraction form
    123,655.50/185,497.96 = 39,386.06/x
  3. Step 3: Cross multiply
    123,655.50x = 185,497.96 × 39,386.06
  4. Step 4: Simplify right side
    123,655.50x = 7,306,033,782.44
  5. Step 5: Solve for x
    x = 7,306,033,782.44/123,655.50
  6. Step 6: Final answer
    x = 59,083.78

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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.