Home / 104,429.70-144,112.50-56,682.63

Finding the Fourth Proportional to 104,429.70, 144,112.50 and 56,682.63

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Solution

The fourth proportional to 104,429.70, 144,112.50 and 56,682.63 is: 78,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.70 : 144,112.50 = 56,682.63 : x
  2. Step 2: Convert to fraction form
    104,429.70/144,112.50 = 56,682.63/x
  3. Step 3: Cross multiply
    104,429.70x = 144,112.50 × 56,682.63
  4. Step 4: Simplify right side
    104,429.70x = 8,168,675,515.88
  5. Step 5: Solve for x
    x = 8,168,675,515.88/104,429.70
  6. Step 6: Final answer
    x = 78,221.77

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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.