Home / 124,628.41-186,936.40-45,736.44

Finding the Fourth Proportional to 124,628.41, 186,936.40 and 45,736.44

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Solution

The fourth proportional to 124,628.41, 186,936.40 and 45,736.44 is: 68,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,628.41 : 186,936.40 = 45,736.44 : x
  2. Step 2: Convert to fraction form
    124,628.41/186,936.40 = 45,736.44/x
  3. Step 3: Cross multiply
    124,628.41x = 186,936.40 × 45,736.44
  4. Step 4: Simplify right side
    124,628.41x = 8,549,805,442.42
  5. Step 5: Solve for x
    x = 8,549,805,442.42/124,628.41
  6. Step 6: Final answer
    x = 68,602.38

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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.