Home / 104,429.46-144,112.92-56,682.81

Finding the Fourth Proportional to 104,429.46, 144,112.92 and 56,682.81

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Solution

The fourth proportional to 104,429.46, 144,112.92 and 56,682.81 is: 78,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.46 : 144,112.92 = 56,682.81 : x
  2. Step 2: Convert to fraction form
    104,429.46/144,112.92 = 56,682.81/x
  3. Step 3: Cross multiply
    104,429.46x = 144,112.92 × 56,682.81
  4. Step 4: Simplify right side
    104,429.46x = 8,168,725,262.91
  5. Step 5: Solve for x
    x = 8,168,725,262.91/104,429.46
  6. Step 6: Final answer
    x = 78,222.42

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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.