Home / 104,846.40-144,689.76-57,100.68

Finding the Fourth Proportional to 104,846.40, 144,689.76 and 57,100.68

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Solution

The fourth proportional to 104,846.40, 144,689.76 and 57,100.68 is: 78,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,846.40 : 144,689.76 = 57,100.68 : x
  2. Step 2: Convert to fraction form
    104,846.40/144,689.76 = 57,100.68/x
  3. Step 3: Cross multiply
    104,846.40x = 144,689.76 × 57,100.68
  4. Step 4: Simplify right side
    104,846.40x = 8,261,883,685.04
  5. Step 5: Solve for x
    x = 8,261,883,685.04/104,846.40
  6. Step 6: Final answer
    x = 78,799.88

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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.