Home / 104,405.06-144,078.98-56,658.41

Finding the Fourth Proportional to 104,405.06, 144,078.98 and 56,658.41

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Solution

The fourth proportional to 104,405.06, 144,078.98 and 56,658.41 is: 78,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,405.06 : 144,078.98 = 56,658.41 : x
  2. Step 2: Convert to fraction form
    104,405.06/144,078.98 = 56,658.41/x
  3. Step 3: Cross multiply
    104,405.06x = 144,078.98 × 56,658.41
  4. Step 4: Simplify right side
    104,405.06x = 8,163,285,921.22
  5. Step 5: Solve for x
    x = 8,163,285,921.22/104,405.06
  6. Step 6: Final answer
    x = 78,188.60

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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.