Home / 71,013.74-97,998.91-39,182.64

Finding the Fourth Proportional to 71,013.74, 97,998.91 and 39,182.64

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Solution

The fourth proportional to 71,013.74, 97,998.91 and 39,182.64 is: 54,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.74 : 97,998.91 = 39,182.64 : x
  2. Step 2: Convert to fraction form
    71,013.74/97,998.91 = 39,182.64/x
  3. Step 3: Cross multiply
    71,013.74x = 97,998.91 × 39,182.64
  4. Step 4: Simplify right side
    71,013.74x = 3,839,856,010.92
  5. Step 5: Solve for x
    x = 3,839,856,010.92/71,013.74
  6. Step 6: Final answer
    x = 54,072.01

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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.