Home / 104,426.35-144,108.45-56,679.68

Finding the Fourth Proportional to 104,426.35, 144,108.45 and 56,679.68

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Solution

The fourth proportional to 104,426.35, 144,108.45 and 56,679.68 is: 78,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.35 : 144,108.45 = 56,679.68 : x
  2. Step 2: Convert to fraction form
    104,426.35/144,108.45 = 56,679.68/x
  3. Step 3: Cross multiply
    104,426.35x = 144,108.45 × 56,679.68
  4. Step 4: Simplify right side
    104,426.35x = 8,168,021,191.57
  5. Step 5: Solve for x
    x = 8,168,021,191.57/104,426.35
  6. Step 6: Final answer
    x = 78,218.01

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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.