Home / 105,043.14-144,961.56-57,298.23

Finding the Fourth Proportional to 105,043.14, 144,961.56 and 57,298.23

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Solution

The fourth proportional to 105,043.14, 144,961.56 and 57,298.23 is: 79,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,043.14 : 144,961.56 = 57,298.23 : x
  2. Step 2: Convert to fraction form
    105,043.14/144,961.56 = 57,298.23/x
  3. Step 3: Cross multiply
    105,043.14x = 144,961.56 × 57,298.23
  4. Step 4: Simplify right side
    105,043.14x = 8,306,040,806.04
  5. Step 5: Solve for x
    x = 8,306,040,806.04/105,043.14
  6. Step 6: Final answer
    x = 79,072.66

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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.