Home / 105,741.67-145,924.23-57,995.36

Finding the Fourth Proportional to 105,741.67, 145,924.23 and 57,995.36

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Solution

The fourth proportional to 105,741.67, 145,924.23 and 57,995.36 is: 80,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,741.67 : 145,924.23 = 57,995.36 : x
  2. Step 2: Convert to fraction form
    105,741.67/145,924.23 = 57,995.36/x
  3. Step 3: Cross multiply
    105,741.67x = 145,924.23 × 57,995.36
  4. Step 4: Simplify right side
    105,741.67x = 8,462,928,251.57
  5. Step 5: Solve for x
    x = 8,462,928,251.57/105,741.67
  6. Step 6: Final answer
    x = 80,033.99

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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.