Home / 104,648.25-144,416.21-56,901.72

Finding the Fourth Proportional to 104,648.25, 144,416.21 and 56,901.72

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Solution

The fourth proportional to 104,648.25, 144,416.21 and 56,901.72 is: 78,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,648.25 : 144,416.21 = 56,901.72 : x
  2. Step 2: Convert to fraction form
    104,648.25/144,416.21 = 56,901.72/x
  3. Step 3: Cross multiply
    104,648.25x = 144,416.21 × 56,901.72
  4. Step 4: Simplify right side
    104,648.25x = 8,217,530,744.88
  5. Step 5: Solve for x
    x = 8,217,530,744.88/104,648.25
  6. Step 6: Final answer
    x = 78,525.26

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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.