Home / 73,091.09-109,627.51-20,504.67

Finding the Fourth Proportional to 73,091.09, 109,627.51 and 20,504.67

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Solution

The fourth proportional to 73,091.09, 109,627.51 and 20,504.67 is: 30,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,091.09 : 109,627.51 = 20,504.67 : x
  2. Step 2: Convert to fraction form
    73,091.09/109,627.51 = 20,504.67/x
  3. Step 3: Cross multiply
    73,091.09x = 109,627.51 × 20,504.67
  4. Step 4: Simplify right side
    73,091.09x = 2,247,875,915.47
  5. Step 5: Solve for x
    x = 2,247,875,915.47/73,091.09
  6. Step 6: Final answer
    x = 30,754.45

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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.