Home / 47,131.05-70,689.24-30,608.22

Finding the Fourth Proportional to 47,131.05, 70,689.24 and 30,608.22

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Solution

The fourth proportional to 47,131.05, 70,689.24 and 30,608.22 is: 45,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,131.05 : 70,689.24 = 30,608.22 : x
  2. Step 2: Convert to fraction form
    47,131.05/70,689.24 = 30,608.22/x
  3. Step 3: Cross multiply
    47,131.05x = 70,689.24 × 30,608.22
  4. Step 4: Simplify right side
    47,131.05x = 2,163,671,809.55
  5. Step 5: Solve for x
    x = 2,163,671,809.55/47,131.05
  6. Step 6: Final answer
    x = 45,907.57

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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.