Home / 79,054.35-109,095.03-43,247.67

Finding the Fourth Proportional to 79,054.35, 109,095.03 and 43,247.67

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Solution

The fourth proportional to 79,054.35, 109,095.03 and 43,247.67 is: 59,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,054.35 : 109,095.03 = 43,247.67 : x
  2. Step 2: Convert to fraction form
    79,054.35/109,095.03 = 43,247.67/x
  3. Step 3: Cross multiply
    79,054.35x = 109,095.03 × 43,247.67
  4. Step 4: Simplify right side
    79,054.35x = 4,718,105,856.08
  5. Step 5: Solve for x
    x = 4,718,105,856.08/79,054.35
  6. Step 6: Final answer
    x = 59,681.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.