Home / 70,519.36-105,704.76-23,122.10

Finding the Fourth Proportional to 70,519.36, 105,704.76 and 23,122.10

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Solution

The fourth proportional to 70,519.36, 105,704.76 and 23,122.10 is: 34,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,519.36 : 105,704.76 = 23,122.10 : x
  2. Step 2: Convert to fraction form
    70,519.36/105,704.76 = 23,122.10/x
  3. Step 3: Cross multiply
    70,519.36x = 105,704.76 × 23,122.10
  4. Step 4: Simplify right side
    70,519.36x = 2,444,116,031.20
  5. Step 5: Solve for x
    x = 2,444,116,031.20/70,519.36
  6. Step 6: Final answer
    x = 34,658.79

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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.