Home / 124,783.36-187,190.49-48,872.05

Finding the Fourth Proportional to 124,783.36, 187,190.49 and 48,872.05

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Solution

The fourth proportional to 124,783.36, 187,190.49 and 48,872.05 is: 73,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.36 : 187,190.49 = 48,872.05 : x
  2. Step 2: Convert to fraction form
    124,783.36/187,190.49 = 48,872.05/x
  3. Step 3: Cross multiply
    124,783.36x = 187,190.49 × 48,872.05
  4. Step 4: Simplify right side
    124,783.36x = 9,148,382,986.80
  5. Step 5: Solve for x
    x = 9,148,382,986.80/124,783.36
  6. Step 6: Final answer
    x = 73,314.13

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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.