Home / 113,977.13-170,965.69-30,871.13

Finding the Fourth Proportional to 113,977.13, 170,965.69 and 30,871.13

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Solution

The fourth proportional to 113,977.13, 170,965.69 and 30,871.13 is: 46,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,977.13 : 170,965.69 = 30,871.13 : x
  2. Step 2: Convert to fraction form
    113,977.13/170,965.69 = 30,871.13/x
  3. Step 3: Cross multiply
    113,977.13x = 170,965.69 × 30,871.13
  4. Step 4: Simplify right side
    113,977.13x = 5,277,903,109.52
  5. Step 5: Solve for x
    x = 5,277,903,109.52/113,977.13
  6. Step 6: Final answer
    x = 46,306.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.