Home / 104,631.90-144,390.44-56,884.83

Finding the Fourth Proportional to 104,631.90, 144,390.44 and 56,884.83

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Solution

The fourth proportional to 104,631.90, 144,390.44 and 56,884.83 is: 78,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.90 : 144,390.44 = 56,884.83 : x
  2. Step 2: Convert to fraction form
    104,631.90/144,390.44 = 56,884.83/x
  3. Step 3: Cross multiply
    104,631.90x = 144,390.44 × 56,884.83
  4. Step 4: Simplify right side
    104,631.90x = 8,213,625,348.60
  5. Step 5: Solve for x
    x = 8,213,625,348.60/104,631.90
  6. Step 6: Final answer
    x = 78,500.20

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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.