Home / 104,949.23-144,775.35-66,643.22

Finding the Fourth Proportional to 104,949.23, 144,775.35 and 66,643.22

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Solution

The fourth proportional to 104,949.23, 144,775.35 and 66,643.22 is: 91,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,949.23 : 144,775.35 = 66,643.22 : x
  2. Step 2: Convert to fraction form
    104,949.23/144,775.35 = 66,643.22/x
  3. Step 3: Cross multiply
    104,949.23x = 144,775.35 × 66,643.22
  4. Step 4: Simplify right side
    104,949.23x = 9,648,295,500.63
  5. Step 5: Solve for x
    x = 9,648,295,500.63/104,949.23
  6. Step 6: Final answer
    x = 91,932.98

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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.