Home / 107,719.34-161,504.06-47,715.23

Finding the Fourth Proportional to 107,719.34, 161,504.06 and 47,715.23

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Solution

The fourth proportional to 107,719.34, 161,504.06 and 47,715.23 is: 71,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,719.34 : 161,504.06 = 47,715.23 : x
  2. Step 2: Convert to fraction form
    107,719.34/161,504.06 = 47,715.23/x
  3. Step 3: Cross multiply
    107,719.34x = 161,504.06 × 47,715.23
  4. Step 4: Simplify right side
    107,719.34x = 7,706,203,534.02
  5. Step 5: Solve for x
    x = 7,706,203,534.02/107,719.34
  6. Step 6: Final answer
    x = 71,539.65

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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.