Home / 103,659.85-155,514.27-33,539.16

Finding the Fourth Proportional to 103,659.85, 155,514.27 and 33,539.16

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Solution

The fourth proportional to 103,659.85, 155,514.27 and 33,539.16 is: 50,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,659.85 : 155,514.27 = 33,539.16 : x
  2. Step 2: Convert to fraction form
    103,659.85/155,514.27 = 33,539.16/x
  3. Step 3: Cross multiply
    103,659.85x = 155,514.27 × 33,539.16
  4. Step 4: Simplify right side
    103,659.85x = 5,215,817,983.81
  5. Step 5: Solve for x
    x = 5,215,817,983.81/103,659.85
  6. Step 6: Final answer
    x = 50,316.67

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1.5x scale

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.