Home / 104,378.94-144,043.26-56,632.68

Finding the Fourth Proportional to 104,378.94, 144,043.26 and 56,632.68

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Solution

The fourth proportional to 104,378.94, 144,043.26 and 56,632.68 is: 78,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,378.94 : 144,043.26 = 56,632.68 : x
  2. Step 2: Convert to fraction form
    104,378.94/144,043.26 = 56,632.68/x
  3. Step 3: Cross multiply
    104,378.94x = 144,043.26 × 56,632.68
  4. Step 4: Simplify right side
    104,378.94x = 8,157,555,849.74
  5. Step 5: Solve for x
    x = 8,157,555,849.74/104,378.94
  6. Step 6: Final answer
    x = 78,153.27

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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.