Home / 97,315.70-145,905.63-49,838.54

Finding the Fourth Proportional to 97,315.70, 145,905.63 and 49,838.54

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Solution

The fourth proportional to 97,315.70, 145,905.63 and 49,838.54 is: 74,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,315.70 : 145,905.63 = 49,838.54 : x
  2. Step 2: Convert to fraction form
    97,315.70/145,905.63 = 49,838.54/x
  3. Step 3: Cross multiply
    97,315.70x = 145,905.63 × 49,838.54
  4. Step 4: Simplify right side
    97,315.70x = 7,271,723,576.98
  5. Step 5: Solve for x
    x = 7,271,723,576.98/97,315.70
  6. Step 6: Final answer
    x = 74,723.03

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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.