Home / 124,578.12-186,756.06-45,673.96

Finding the Fourth Proportional to 124,578.12, 186,756.06 and 45,673.96

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Solution

The fourth proportional to 124,578.12, 186,756.06 and 45,673.96 is: 68,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,578.12 : 186,756.06 = 45,673.96 : x
  2. Step 2: Convert to fraction form
    124,578.12/186,756.06 = 45,673.96/x
  3. Step 3: Cross multiply
    124,578.12x = 186,756.06 × 45,673.96
  4. Step 4: Simplify right side
    124,578.12x = 8,529,888,814.20
  5. Step 5: Solve for x
    x = 8,529,888,814.20/124,578.12
  6. Step 6: Final answer
    x = 68,470.20

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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.