Home / 103,630.45-155,445.68-33,516.85

Finding the Fourth Proportional to 103,630.45, 155,445.68 and 33,516.85

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Solution

The fourth proportional to 103,630.45, 155,445.68 and 33,516.85 is: 50,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.45 : 155,445.68 = 33,516.85 : x
  2. Step 2: Convert to fraction form
    103,630.45/155,445.68 = 33,516.85/x
  3. Step 3: Cross multiply
    103,630.45x = 155,445.68 × 33,516.85
  4. Step 4: Simplify right side
    103,630.45x = 5,210,049,539.71
  5. Step 5: Solve for x
    x = 5,210,049,539.71/103,630.45
  6. Step 6: Final answer
    x = 50,275.28

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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.