Home / 105,049.14-144,969.84-57,304.24

Finding the Fourth Proportional to 105,049.14, 144,969.84 and 57,304.24

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Solution

The fourth proportional to 105,049.14, 144,969.84 and 57,304.24 is: 79,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,049.14 : 144,969.84 = 57,304.24 : x
  2. Step 2: Convert to fraction form
    105,049.14/144,969.84 = 57,304.24/x
  3. Step 3: Cross multiply
    105,049.14x = 144,969.84 × 57,304.24
  4. Step 4: Simplify right side
    105,049.14x = 8,307,386,504.12
  5. Step 5: Solve for x
    x = 8,307,386,504.12/105,049.14
  6. Step 6: Final answer
    x = 79,080.96

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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.