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Finding the Fourth Proportional to 70,344.14, 105,484.23 and 30,344.22

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Solution

The fourth proportional to 70,344.14, 105,484.23 and 30,344.22 is: 45,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.14 : 105,484.23 = 30,344.22 : x
  2. Step 2: Convert to fraction form
    70,344.14/105,484.23 = 30,344.22/x
  3. Step 3: Cross multiply
    70,344.14x = 105,484.23 × 30,344.22
  4. Step 4: Simplify right side
    70,344.14x = 3,200,836,681.65
  5. Step 5: Solve for x
    x = 3,200,836,681.65/70,344.14
  6. Step 6: Final answer
    x = 45,502.54

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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.