Home / 104,360.91-144,018.41-56,614.59

Finding the Fourth Proportional to 104,360.91, 144,018.41 and 56,614.59

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Solution

The fourth proportional to 104,360.91, 144,018.41 and 56,614.59 is: 78,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,360.91 : 144,018.41 = 56,614.59 : x
  2. Step 2: Convert to fraction form
    104,360.91/144,018.41 = 56,614.59/x
  3. Step 3: Cross multiply
    104,360.91x = 144,018.41 × 56,614.59
  4. Step 4: Simplify right side
    104,360.91x = 8,153,542,951.53
  5. Step 5: Solve for x
    x = 8,153,542,951.53/104,360.91
  6. Step 6: Final answer
    x = 78,128.33

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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.