Home / 104,426.20-144,107.67-56,679.13

Finding the Fourth Proportional to 104,426.20, 144,107.67 and 56,679.13

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Solution

The fourth proportional to 104,426.20, 144,107.67 and 56,679.13 is: 78,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.20 : 144,107.67 = 56,679.13 : x
  2. Step 2: Convert to fraction form
    104,426.20/144,107.67 = 56,679.13/x
  3. Step 3: Cross multiply
    104,426.20x = 144,107.67 × 56,679.13
  4. Step 4: Simplify right side
    104,426.20x = 8,167,897,361.93
  5. Step 5: Solve for x
    x = 8,167,897,361.93/104,426.20
  6. Step 6: Final answer
    x = 78,216.94

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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.