Home / 97,769.08-146,678.46-45,216.28

Finding the Fourth Proportional to 97,769.08, 146,678.46 and 45,216.28

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Solution

The fourth proportional to 97,769.08, 146,678.46 and 45,216.28 is: 67,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,769.08 : 146,678.46 = 45,216.28 : x
  2. Step 2: Convert to fraction form
    97,769.08/146,678.46 = 45,216.28/x
  3. Step 3: Cross multiply
    97,769.08x = 146,678.46 × 45,216.28
  4. Step 4: Simplify right side
    97,769.08x = 6,632,254,317.33
  5. Step 5: Solve for x
    x = 6,632,254,317.33/97,769.08
  6. Step 6: Final answer
    x = 67,835.91

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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.