Home / 97,685.09-146,601.44-71,457.49

Finding the Fourth Proportional to 97,685.09, 146,601.44 and 71,457.49

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Solution

The fourth proportional to 97,685.09, 146,601.44 and 71,457.49 is: 107,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,685.09 : 146,601.44 = 71,457.49 : x
  2. Step 2: Convert to fraction form
    97,685.09/146,601.44 = 71,457.49/x
  3. Step 3: Cross multiply
    97,685.09x = 146,601.44 × 71,457.49
  4. Step 4: Simplify right side
    97,685.09x = 10,475,771,428.66
  5. Step 5: Solve for x
    x = 10,475,771,428.66/97,685.09
  6. Step 6: Final answer
    x = 107,240.23

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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.