Home / 47,023.35-70,485.43-15,425.16

Finding the Fourth Proportional to 47,023.35, 70,485.43 and 15,425.16

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Solution

The fourth proportional to 47,023.35, 70,485.43 and 15,425.16 is: 23,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,023.35 : 70,485.43 = 15,425.16 : x
  2. Step 2: Convert to fraction form
    47,023.35/70,485.43 = 15,425.16/x
  3. Step 3: Cross multiply
    47,023.35x = 70,485.43 × 15,425.16
  4. Step 4: Simplify right side
    47,023.35x = 1,087,248,878.49
  5. Step 5: Solve for x
    x = 1,087,248,878.49/47,023.35
  6. Step 6: Final answer
    x = 23,121.47

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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.