Home / 104,426.16-144,108.22-56,679.50

Finding the Fourth Proportional to 104,426.16, 144,108.22 and 56,679.50

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Solution

The fourth proportional to 104,426.16, 144,108.22 and 56,679.50 is: 78,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.16 : 144,108.22 = 56,679.50 : x
  2. Step 2: Convert to fraction form
    104,426.16/144,108.22 = 56,679.50/x
  3. Step 3: Cross multiply
    104,426.16x = 144,108.22 × 56,679.50
  4. Step 4: Simplify right side
    104,426.16x = 8,167,981,855.49
  5. Step 5: Solve for x
    x = 8,167,981,855.49/104,426.16
  6. Step 6: Final answer
    x = 78,217.77

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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.