Home / 109,015.35-150,443.37-61,272.06

Finding the Fourth Proportional to 109,015.35, 150,443.37 and 61,272.06

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Solution

The fourth proportional to 109,015.35, 150,443.37 and 61,272.06 is: 84,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,015.35 : 150,443.37 = 61,272.06 : x
  2. Step 2: Convert to fraction form
    109,015.35/150,443.37 = 61,272.06/x
  3. Step 3: Cross multiply
    109,015.35x = 150,443.37 × 61,272.06
  4. Step 4: Simplify right side
    109,015.35x = 9,217,975,193.24
  5. Step 5: Solve for x
    x = 9,217,975,193.24/109,015.35
  6. Step 6: Final answer
    x = 84,556.67

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1.5x scale

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.