Home / 105,819.23-146,032.94-58,075.63

Finding the Fourth Proportional to 105,819.23, 146,032.94 and 58,075.63

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Solution

The fourth proportional to 105,819.23, 146,032.94 and 58,075.63 is: 80,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,819.23 : 146,032.94 = 58,075.63 : x
  2. Step 2: Convert to fraction form
    105,819.23/146,032.94 = 58,075.63/x
  3. Step 3: Cross multiply
    105,819.23x = 146,032.94 × 58,075.63
  4. Step 4: Simplify right side
    105,819.23x = 8,480,954,991.25
  5. Step 5: Solve for x
    x = 8,480,954,991.25/105,819.23
  6. Step 6: Final answer
    x = 80,145.69

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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.