Home / 143,087.12-214,582.08-49,571.04

Finding the Fourth Proportional to 143,087.12, 214,582.08 and 49,571.04

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Solution

The fourth proportional to 143,087.12, 214,582.08 and 49,571.04 is: 74,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,087.12 : 214,582.08 = 49,571.04 : x
  2. Step 2: Convert to fraction form
    143,087.12/214,582.08 = 49,571.04/x
  3. Step 3: Cross multiply
    143,087.12x = 214,582.08 × 49,571.04
  4. Step 4: Simplify right side
    143,087.12x = 10,637,056,870.96
  5. Step 5: Solve for x
    x = 10,637,056,870.96/143,087.12
  6. Step 6: Final answer
    x = 74,339.72

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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.