Home / 75,120.04-103,669.14-41,586.76

Finding the Fourth Proportional to 75,120.04, 103,669.14 and 41,586.76

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Solution

The fourth proportional to 75,120.04, 103,669.14 and 41,586.76 is: 57,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,120.04 : 103,669.14 = 41,586.76 : x
  2. Step 2: Convert to fraction form
    75,120.04/103,669.14 = 41,586.76/x
  3. Step 3: Cross multiply
    75,120.04x = 103,669.14 × 41,586.76
  4. Step 4: Simplify right side
    75,120.04x = 4,311,263,644.59
  5. Step 5: Solve for x
    x = 4,311,263,644.59/75,120.04
  6. Step 6: Final answer
    x = 57,391.66

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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.