Home / 79,130.08-109,201.97-43,323.42

Finding the Fourth Proportional to 79,130.08, 109,201.97 and 43,323.42

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Solution

The fourth proportional to 79,130.08, 109,201.97 and 43,323.42 is: 59,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,130.08 : 109,201.97 = 43,323.42 : x
  2. Step 2: Convert to fraction form
    79,130.08/109,201.97 = 43,323.42/x
  3. Step 3: Cross multiply
    79,130.08x = 109,201.97 × 43,323.42
  4. Step 4: Simplify right side
    79,130.08x = 4,731,003,328.95
  5. Step 5: Solve for x
    x = 4,731,003,328.95/79,130.08
  6. Step 6: Final answer
    x = 59,787.67

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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.