Home / 105,035.81-157,553.46-45,025.38

Finding the Fourth Proportional to 105,035.81, 157,553.46 and 45,025.38

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Solution

The fourth proportional to 105,035.81, 157,553.46 and 45,025.38 is: 67,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,035.81 : 157,553.46 = 45,025.38 : x
  2. Step 2: Convert to fraction form
    105,035.81/157,553.46 = 45,025.38/x
  3. Step 3: Cross multiply
    105,035.81x = 157,553.46 × 45,025.38
  4. Step 4: Simplify right side
    105,035.81x = 7,093,904,406.81
  5. Step 5: Solve for x
    x = 7,093,904,406.81/105,035.81
  6. Step 6: Final answer
    x = 67,537.96

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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.