Home / 70,344.14-97,072.70-38,511.14

Finding the Fourth Proportional to 70,344.14, 97,072.70 and 38,511.14

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Solution

The fourth proportional to 70,344.14, 97,072.70 and 38,511.14 is: 53,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.14 : 97,072.70 = 38,511.14 : x
  2. Step 2: Convert to fraction form
    70,344.14/97,072.70 = 38,511.14/x
  3. Step 3: Cross multiply
    70,344.14x = 97,072.70 × 38,511.14
  4. Step 4: Simplify right side
    70,344.14x = 3,738,379,661.96
  5. Step 5: Solve for x
    x = 3,738,379,661.96/70,344.14
  6. Step 6: Final answer
    x = 53,144.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.