Home / 47,261.88-70,895.55-12,200.63

Finding the Fourth Proportional to 47,261.88, 70,895.55 and 12,200.63

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Solution

The fourth proportional to 47,261.88, 70,895.55 and 12,200.63 is: 18,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261.88 : 70,895.55 = 12,200.63 : x
  2. Step 2: Convert to fraction form
    47,261.88/70,895.55 = 12,200.63/x
  3. Step 3: Cross multiply
    47,261.88x = 70,895.55 × 12,200.63
  4. Step 4: Simplify right side
    47,261.88x = 864,970,065.47
  5. Step 5: Solve for x
    x = 864,970,065.47/47,261.88
  6. Step 6: Final answer
    x = 18,301.64

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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.