Home / 104,426.43-144,108.59-56,679.76

Finding the Fourth Proportional to 104,426.43, 144,108.59 and 56,679.76

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Solution

The fourth proportional to 104,426.43, 144,108.59 and 56,679.76 is: 78,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.43 : 144,108.59 = 56,679.76 : x
  2. Step 2: Convert to fraction form
    104,426.43/144,108.59 = 56,679.76/x
  3. Step 3: Cross multiply
    104,426.43x = 144,108.59 × 56,679.76
  4. Step 4: Simplify right side
    104,426.43x = 8,168,040,191.88
  5. Step 5: Solve for x
    x = 8,168,040,191.88/104,426.43
  6. Step 6: Final answer
    x = 78,218.13

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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.