Home / 104,037.25-143,570.38-56,289.55

Finding the Fourth Proportional to 104,037.25, 143,570.38 and 56,289.55

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Solution

The fourth proportional to 104,037.25, 143,570.38 and 56,289.55 is: 77,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,037.25 : 143,570.38 = 56,289.55 : x
  2. Step 2: Convert to fraction form
    104,037.25/143,570.38 = 56,289.55/x
  3. Step 3: Cross multiply
    104,037.25x = 143,570.38 × 56,289.55
  4. Step 4: Simplify right side
    104,037.25x = 8,081,511,084.23
  5. Step 5: Solve for x
    x = 8,081,511,084.23/104,037.25
  6. Step 6: Final answer
    x = 77,679.02

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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.