Home / 104,628.76-144,410.74-68,822.12

Finding the Fourth Proportional to 104,628.76, 144,410.74 and 68,822.12

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Solution

The fourth proportional to 104,628.76, 144,410.74 and 68,822.12 is: 94,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,628.76 : 144,410.74 = 68,822.12 : x
  2. Step 2: Convert to fraction form
    104,628.76/144,410.74 = 68,822.12/x
  3. Step 3: Cross multiply
    104,628.76x = 144,410.74 × 68,822.12
  4. Step 4: Simplify right side
    104,628.76x = 9,938,653,277.57
  5. Step 5: Solve for x
    x = 9,938,653,277.57/104,628.76
  6. Step 6: Final answer
    x = 94,989.69

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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.