Home / 104,438.24-144,123.78-56,690.56

Finding the Fourth Proportional to 104,438.24, 144,123.78 and 56,690.56

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Solution

The fourth proportional to 104,438.24, 144,123.78 and 56,690.56 is: 78,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,438.24 : 144,123.78 = 56,690.56 : x
  2. Step 2: Convert to fraction form
    104,438.24/144,123.78 = 56,690.56/x
  3. Step 3: Cross multiply
    104,438.24x = 144,123.78 × 56,690.56
  4. Step 4: Simplify right side
    104,438.24x = 8,170,457,797.52
  5. Step 5: Solve for x
    x = 8,170,457,797.52/104,438.24
  6. Step 6: Final answer
    x = 78,232.43

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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.