Home / 47,072.42-70,608.62-13,792.49

Finding the Fourth Proportional to 47,072.42, 70,608.62 and 13,792.49

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Solution

The fourth proportional to 47,072.42, 70,608.62 and 13,792.49 is: 20,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,072.42 : 70,608.62 = 13,792.49 : x
  2. Step 2: Convert to fraction form
    47,072.42/70,608.62 = 13,792.49/x
  3. Step 3: Cross multiply
    47,072.42x = 70,608.62 × 13,792.49
  4. Step 4: Simplify right side
    47,072.42x = 973,868,263.26
  5. Step 5: Solve for x
    x = 973,868,263.26/47,072.42
  6. Step 6: Final answer
    x = 20,688.73

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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.