Home / 124,636.48-186,979.26-45,751.36

Finding the Fourth Proportional to 124,636.48, 186,979.26 and 45,751.36

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Solution

The fourth proportional to 124,636.48, 186,979.26 and 45,751.36 is: 68,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,636.48 : 186,979.26 = 45,751.36 : x
  2. Step 2: Convert to fraction form
    124,636.48/186,979.26 = 45,751.36/x
  3. Step 3: Cross multiply
    124,636.48x = 186,979.26 × 45,751.36
  4. Step 4: Simplify right side
    124,636.48x = 8,554,555,436.79
  5. Step 5: Solve for x
    x = 8,554,555,436.79/124,636.48
  6. Step 6: Final answer
    x = 68,636.05

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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.