Home / 104,512.32-144,228.06-56,766.60

Finding the Fourth Proportional to 104,512.32, 144,228.06 and 56,766.60

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Solution

The fourth proportional to 104,512.32, 144,228.06 and 56,766.60 is: 78,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,512.32 : 144,228.06 = 56,766.60 : x
  2. Step 2: Convert to fraction form
    104,512.32/144,228.06 = 56,766.60/x
  3. Step 3: Cross multiply
    104,512.32x = 144,228.06 × 56,766.60
  4. Step 4: Simplify right side
    104,512.32x = 8,187,336,590.80
  5. Step 5: Solve for x
    x = 8,187,336,590.80/104,512.32
  6. Step 6: Final answer
    x = 78,338.48

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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.