Home / 105,205.80-157,670.46-49,817.64

Finding the Fourth Proportional to 105,205.80, 157,670.46 and 49,817.64

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Solution

The fourth proportional to 105,205.80, 157,670.46 and 49,817.64 is: 74,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205.80 : 157,670.46 = 49,817.64 : x
  2. Step 2: Convert to fraction form
    105,205.80/157,670.46 = 49,817.64/x
  3. Step 3: Cross multiply
    105,205.80x = 157,670.46 × 49,817.64
  4. Step 4: Simplify right side
    105,205.80x = 7,854,770,214.91
  5. Step 5: Solve for x
    x = 7,854,770,214.91/105,205.80
  6. Step 6: Final answer
    x = 74,661.00

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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.