Home / 70,914.80-97,861.94-39,083.72

Finding the Fourth Proportional to 70,914.80, 97,861.94 and 39,083.72

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Solution

The fourth proportional to 70,914.80, 97,861.94 and 39,083.72 is: 53,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,914.80 : 97,861.94 = 39,083.72 : x
  2. Step 2: Convert to fraction form
    70,914.80/97,861.94 = 39,083.72/x
  3. Step 3: Cross multiply
    70,914.80x = 97,861.94 × 39,083.72
  4. Step 4: Simplify right side
    70,914.80x = 3,824,808,661.62
  5. Step 5: Solve for x
    x = 3,824,808,661.62/70,914.80
  6. Step 6: Final answer
    x = 53,935.27

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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.