Home / 112,104.60-154,699.74-71,761.56

Finding the Fourth Proportional to 112,104.60, 154,699.74 and 71,761.56

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Solution

The fourth proportional to 112,104.60, 154,699.74 and 71,761.56 is: 99,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.60 : 154,699.74 = 71,761.56 : x
  2. Step 2: Convert to fraction form
    112,104.60/154,699.74 = 71,761.56/x
  3. Step 3: Cross multiply
    112,104.60x = 154,699.74 × 71,761.56
  4. Step 4: Simplify right side
    112,104.60x = 11,101,494,673.99
  5. Step 5: Solve for x
    x = 11,101,494,673.99/112,104.60
  6. Step 6: Final answer
    x = 99,028.00

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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.