Home / 70,074.93-105,145.20-30,626.92

Finding the Fourth Proportional to 70,074.93, 105,145.20 and 30,626.92

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Solution

The fourth proportional to 70,074.93, 105,145.20 and 30,626.92 is: 45,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074.93 : 105,145.20 = 30,626.92 : x
  2. Step 2: Convert to fraction form
    70,074.93/105,145.20 = 30,626.92/x
  3. Step 3: Cross multiply
    70,074.93x = 105,145.20 × 30,626.92
  4. Step 4: Simplify right side
    70,074.93x = 3,220,273,628.78
  5. Step 5: Solve for x
    x = 3,220,273,628.78/70,074.93
  6. Step 6: Final answer
    x = 45,954.72

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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.