Home / 106,421.32-146,868.08-58,674.60

Finding the Fourth Proportional to 106,421.32, 146,868.08 and 58,674.60

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Solution

The fourth proportional to 106,421.32, 146,868.08 and 58,674.60 is: 80,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.32 : 146,868.08 = 58,674.60 : x
  2. Step 2: Convert to fraction form
    106,421.32/146,868.08 = 58,674.60/x
  3. Step 3: Cross multiply
    106,421.32x = 146,868.08 × 58,674.60
  4. Step 4: Simplify right side
    106,421.32x = 8,617,425,846.77
  5. Step 5: Solve for x
    x = 8,617,425,846.77/106,421.32
  6. Step 6: Final answer
    x = 80,974.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.