Home / 70,148.46-105,228.18-23,401.30

Finding the Fourth Proportional to 70,148.46, 105,228.18 and 23,401.30

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Solution

The fourth proportional to 70,148.46, 105,228.18 and 23,401.30 is: 35,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148.46 : 105,228.18 = 23,401.30 : x
  2. Step 2: Convert to fraction form
    70,148.46/105,228.18 = 23,401.30/x
  3. Step 3: Cross multiply
    70,148.46x = 105,228.18 × 23,401.30
  4. Step 4: Simplify right side
    70,148.46x = 2,462,476,208.63
  5. Step 5: Solve for x
    x = 2,462,476,208.63/70,148.46
  6. Step 6: Final answer
    x = 35,103.78

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1.5x scale

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.