Home / 106,421.92-146,859.21-58,675.32

Finding the Fourth Proportional to 106,421.92, 146,859.21 and 58,675.32

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Solution

The fourth proportional to 106,421.92, 146,859.21 and 58,675.32 is: 80,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.92 : 146,859.21 = 58,675.32 : x
  2. Step 2: Convert to fraction form
    106,421.92/146,859.21 = 58,675.32/x
  3. Step 3: Cross multiply
    106,421.92x = 146,859.21 × 58,675.32
  4. Step 4: Simplify right side
    106,421.92x = 8,617,011,141.70
  5. Step 5: Solve for x
    x = 8,617,011,141.70/106,421.92
  6. Step 6: Final answer
    x = 80,970.27

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1.5x scale

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.