Home / 70,080.26-105,060.35-30,608.42

Finding the Fourth Proportional to 70,080.26, 105,060.35 and 30,608.42

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Solution

The fourth proportional to 70,080.26, 105,060.35 and 30,608.42 is: 45,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,080.26 : 105,060.35 = 30,608.42 : x
  2. Step 2: Convert to fraction form
    70,080.26/105,060.35 = 30,608.42/x
  3. Step 3: Cross multiply
    70,080.26x = 105,060.35 × 30,608.42
  4. Step 4: Simplify right side
    70,080.26x = 3,215,731,318.15
  5. Step 5: Solve for x
    x = 3,215,731,318.15/70,080.26
  6. Step 6: Final answer
    x = 45,886.41

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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.