Home / 70,700.26-105,819.63-51,975.34

Finding the Fourth Proportional to 70,700.26, 105,819.63 and 51,975.34

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Solution

The fourth proportional to 70,700.26, 105,819.63 and 51,975.34 is: 77,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,700.26 : 105,819.63 = 51,975.34 : x
  2. Step 2: Convert to fraction form
    70,700.26/105,819.63 = 51,975.34/x
  3. Step 3: Cross multiply
    70,700.26x = 105,819.63 × 51,975.34
  4. Step 4: Simplify right side
    70,700.26x = 5,500,011,247.92
  5. Step 5: Solve for x
    x = 5,500,011,247.92/70,700.26
  6. Step 6: Final answer
    x = 77,793.37

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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.