Home / 105,087.06-157,626.12-48,907.81

Finding the Fourth Proportional to 105,087.06, 157,626.12 and 48,907.81

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Solution

The fourth proportional to 105,087.06, 157,626.12 and 48,907.81 is: 73,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,087.06 : 157,626.12 = 48,907.81 : x
  2. Step 2: Convert to fraction form
    105,087.06/157,626.12 = 48,907.81/x
  3. Step 3: Cross multiply
    105,087.06x = 157,626.12 × 48,907.81
  4. Step 4: Simplify right side
    105,087.06x = 7,709,147,933.93
  5. Step 5: Solve for x
    x = 7,709,147,933.93/105,087.06
  6. Step 6: Final answer
    x = 73,359.63

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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.