Home / 100,663.32-151,016.92-30,548.12

Finding the Fourth Proportional to 100,663.32, 151,016.92 and 30,548.12

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Solution

The fourth proportional to 100,663.32, 151,016.92 and 30,548.12 is: 45,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,663.32 : 151,016.92 = 30,548.12 : x
  2. Step 2: Convert to fraction form
    100,663.32/151,016.92 = 30,548.12/x
  3. Step 3: Cross multiply
    100,663.32x = 151,016.92 × 30,548.12
  4. Step 4: Simplify right side
    100,663.32x = 4,613,282,994.19
  5. Step 5: Solve for x
    x = 4,613,282,994.19/100,663.32
  6. Step 6: Final answer
    x = 45,828.84

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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.