Home / 124,313.09-186,488.01-45,408.87

Finding the Fourth Proportional to 124,313.09, 186,488.01 and 45,408.87

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Solution

The fourth proportional to 124,313.09, 186,488.01 and 45,408.87 is: 68,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,313.09 : 186,488.01 = 45,408.87 : x
  2. Step 2: Convert to fraction form
    124,313.09/186,488.01 = 45,408.87/x
  3. Step 3: Cross multiply
    124,313.09x = 186,488.01 × 45,408.87
  4. Step 4: Simplify right side
    124,313.09x = 8,468,209,802.65
  5. Step 5: Solve for x
    x = 8,468,209,802.65/124,313.09
  6. Step 6: Final answer
    x = 68,120.02

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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.