Home / 71,313.06-98,412.03-39,484.01

Finding the Fourth Proportional to 71,313.06, 98,412.03 and 39,484.01

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Solution

The fourth proportional to 71,313.06, 98,412.03 and 39,484.01 is: 54,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.06 : 98,412.03 = 39,484.01 : x
  2. Step 2: Convert to fraction form
    71,313.06/98,412.03 = 39,484.01/x
  3. Step 3: Cross multiply
    71,313.06x = 98,412.03 × 39,484.01
  4. Step 4: Simplify right side
    71,313.06x = 3,885,701,576.64
  5. Step 5: Solve for x
    x = 3,885,701,576.64/71,313.06
  6. Step 6: Final answer
    x = 54,487.94

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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.