Home / 70,954.11-106,444.29-20,351.01

Finding the Fourth Proportional to 70,954.11, 106,444.29 and 20,351.01

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Solution

The fourth proportional to 70,954.11, 106,444.29 and 20,351.01 is: 30,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.11 : 106,444.29 = 20,351.01 : x
  2. Step 2: Convert to fraction form
    70,954.11/106,444.29 = 20,351.01/x
  3. Step 3: Cross multiply
    70,954.11x = 106,444.29 × 20,351.01
  4. Step 4: Simplify right side
    70,954.11x = 2,166,249,285.72
  5. Step 5: Solve for x
    x = 2,166,249,285.72/70,954.11
  6. Step 6: Final answer
    x = 30,530.29

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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.