Home / 104,558.16-144,288.18-56,811.85

Finding the Fourth Proportional to 104,558.16, 144,288.18 and 56,811.85

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Solution

The fourth proportional to 104,558.16, 144,288.18 and 56,811.85 is: 78,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,558.16 : 144,288.18 = 56,811.85 : x
  2. Step 2: Convert to fraction form
    104,558.16/144,288.18 = 56,811.85/x
  3. Step 3: Cross multiply
    104,558.16x = 144,288.18 × 56,811.85
  4. Step 4: Simplify right side
    104,558.16x = 8,197,278,438.93
  5. Step 5: Solve for x
    x = 8,197,278,438.93/104,558.16
  6. Step 6: Final answer
    x = 78,399.22

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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.