Home / 124,309.12-186,479.94-45,460.48

Finding the Fourth Proportional to 124,309.12, 186,479.94 and 45,460.48

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Solution

The fourth proportional to 124,309.12, 186,479.94 and 45,460.48 is: 68,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,309.12 : 186,479.94 = 45,460.48 : x
  2. Step 2: Convert to fraction form
    124,309.12/186,479.94 = 45,460.48/x
  3. Step 3: Cross multiply
    124,309.12x = 186,479.94 × 45,460.48
  4. Step 4: Simplify right side
    124,309.12x = 8,477,467,582.77
  5. Step 5: Solve for x
    x = 8,477,467,582.77/124,309.12
  6. Step 6: Final answer
    x = 68,196.67

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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.