Home / 104,426.12-144,108.18-56,679.48

Finding the Fourth Proportional to 104,426.12, 144,108.18 and 56,679.48

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Solution

The fourth proportional to 104,426.12, 144,108.18 and 56,679.48 is: 78,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.12 : 144,108.18 = 56,679.48 : x
  2. Step 2: Convert to fraction form
    104,426.12/144,108.18 = 56,679.48/x
  3. Step 3: Cross multiply
    104,426.12x = 144,108.18 × 56,679.48
  4. Step 4: Simplify right side
    104,426.12x = 8,167,976,706.15
  5. Step 5: Solve for x
    x = 8,167,976,706.15/104,426.12
  6. Step 6: Final answer
    x = 78,217.76

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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.