Home / 70,121.24-105,103.94-53,426.23

Finding the Fourth Proportional to 70,121.24, 105,103.94 and 53,426.23

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Solution

The fourth proportional to 70,121.24, 105,103.94 and 53,426.23 is: 80,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,121.24 : 105,103.94 = 53,426.23 : x
  2. Step 2: Convert to fraction form
    70,121.24/105,103.94 = 53,426.23/x
  3. Step 3: Cross multiply
    70,121.24x = 105,103.94 × 53,426.23
  4. Step 4: Simplify right side
    70,121.24x = 5,615,307,143.15
  5. Step 5: Solve for x
    x = 5,615,307,143.15/70,121.24
  6. Step 6: Final answer
    x = 80,079.98

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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.