Home / 96,631.80-145,019.70-49,860.60

Finding the Fourth Proportional to 96,631.80, 145,019.70 and 49,860.60

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Solution

The fourth proportional to 96,631.80, 145,019.70 and 49,860.60 is: 74,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,631.80 : 145,019.70 = 49,860.60 : x
  2. Step 2: Convert to fraction form
    96,631.80/145,019.70 = 49,860.60/x
  3. Step 3: Cross multiply
    96,631.80x = 145,019.70 × 49,860.60
  4. Step 4: Simplify right side
    96,631.80x = 7,230,769,253.82
  5. Step 5: Solve for x
    x = 7,230,769,253.82/96,631.80
  6. Step 6: Final answer
    x = 74,828.05

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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.