Home / 51,197.20-70,655.37-31,055.98

Finding the Fourth Proportional to 51,197.20, 70,655.37 and 31,055.98

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Solution

The fourth proportional to 51,197.20, 70,655.37 and 31,055.98 is: 42,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.20 : 70,655.37 = 31,055.98 : x
  2. Step 2: Convert to fraction form
    51,197.20/70,655.37 = 31,055.98/x
  3. Step 3: Cross multiply
    51,197.20x = 70,655.37 × 31,055.98
  4. Step 4: Simplify right side
    51,197.20x = 2,194,271,757.61
  5. Step 5: Solve for x
    x = 2,194,271,757.61/51,197.20
  6. Step 6: Final answer
    x = 42,859.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.