Home / 97,346.09-146,018.48-52,388.60

Finding the Fourth Proportional to 97,346.09, 146,018.48 and 52,388.60

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Solution

The fourth proportional to 97,346.09, 146,018.48 and 52,388.60 is: 78,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,346.09 : 146,018.48 = 52,388.60 : x
  2. Step 2: Convert to fraction form
    97,346.09/146,018.48 = 52,388.60/x
  3. Step 3: Cross multiply
    97,346.09x = 146,018.48 × 52,388.60
  4. Step 4: Simplify right side
    97,346.09x = 7,649,703,844.43
  5. Step 5: Solve for x
    x = 7,649,703,844.43/97,346.09
  6. Step 6: Final answer
    x = 78,582.55

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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.