Home / 97,828.80-146,743.20-56,241.60

Finding the Fourth Proportional to 97,828.80, 146,743.20 and 56,241.60

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Solution

The fourth proportional to 97,828.80, 146,743.20 and 56,241.60 is: 84,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,828.80 : 146,743.20 = 56,241.60 : x
  2. Step 2: Convert to fraction form
    97,828.80/146,743.20 = 56,241.60/x
  3. Step 3: Cross multiply
    97,828.80x = 146,743.20 × 56,241.60
  4. Step 4: Simplify right side
    97,828.80x = 8,253,072,357.12
  5. Step 5: Solve for x
    x = 8,253,072,357.12/97,828.80
  6. Step 6: Final answer
    x = 84,362.40

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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.