Home / 124,083.02-186,033.78-39,795.20

Finding the Fourth Proportional to 124,083.02, 186,033.78 and 39,795.20

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Solution

The fourth proportional to 124,083.02, 186,033.78 and 39,795.20 is: 59,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,083.02 : 186,033.78 = 39,795.20 : x
  2. Step 2: Convert to fraction form
    124,083.02/186,033.78 = 39,795.20/x
  3. Step 3: Cross multiply
    124,083.02x = 186,033.78 × 39,795.20
  4. Step 4: Simplify right side
    124,083.02x = 7,403,251,481.86
  5. Step 5: Solve for x
    x = 7,403,251,481.86/124,083.02
  6. Step 6: Final answer
    x = 59,663.70

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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.