Home / 51,238.50-70,697.04-31,094.88

Finding the Fourth Proportional to 51,238.50, 70,697.04 and 31,094.88

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Solution

The fourth proportional to 51,238.50, 70,697.04 and 31,094.88 is: 42,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.50 : 70,697.04 = 31,094.88 : x
  2. Step 2: Convert to fraction form
    51,238.50/70,697.04 = 31,094.88/x
  3. Step 3: Cross multiply
    51,238.50x = 70,697.04 × 31,094.88
  4. Step 4: Simplify right side
    51,238.50x = 2,198,315,975.16
  5. Step 5: Solve for x
    x = 2,198,315,975.16/51,238.50
  6. Step 6: Final answer
    x = 42,903.60

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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.