Home / 70,827.12-106,256.68-39,682.16

Finding the Fourth Proportional to 70,827.12, 106,256.68 and 39,682.16

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Solution

The fourth proportional to 70,827.12, 106,256.68 and 39,682.16 is: 59,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,827.12 : 106,256.68 = 39,682.16 : x
  2. Step 2: Convert to fraction form
    70,827.12/106,256.68 = 39,682.16/x
  3. Step 3: Cross multiply
    70,827.12x = 106,256.68 × 39,682.16
  4. Step 4: Simplify right side
    70,827.12x = 4,216,494,576.83
  5. Step 5: Solve for x
    x = 4,216,494,576.83/70,827.12
  6. Step 6: Final answer
    x = 59,532.20

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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.