Home / 104,104.20-143,662.08-56,357.13

Finding the Fourth Proportional to 104,104.20, 143,662.08 and 56,357.13

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Solution

The fourth proportional to 104,104.20, 143,662.08 and 56,357.13 is: 77,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.20 : 143,662.08 = 56,357.13 : x
  2. Step 2: Convert to fraction form
    104,104.20/143,662.08 = 56,357.13/x
  3. Step 3: Cross multiply
    104,104.20x = 143,662.08 × 56,357.13
  4. Step 4: Simplify right side
    104,104.20x = 8,096,382,518.63
  5. Step 5: Solve for x
    x = 8,096,382,518.63/104,104.20
  6. Step 6: Final answer
    x = 77,771.91

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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.