Home / 100,719.14-151,082.09-30,598.25

Finding the Fourth Proportional to 100,719.14, 151,082.09 and 30,598.25

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Solution

The fourth proportional to 100,719.14, 151,082.09 and 30,598.25 is: 45,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,719.14 : 151,082.09 = 30,598.25 : x
  2. Step 2: Convert to fraction form
    100,719.14/151,082.09 = 30,598.25/x
  3. Step 3: Cross multiply
    100,719.14x = 151,082.09 × 30,598.25
  4. Step 4: Simplify right side
    100,719.14x = 4,622,847,407.35
  5. Step 5: Solve for x
    x = 4,622,847,407.35/100,719.14
  6. Step 6: Final answer
    x = 45,898.40

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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.