Home / 113,864.12-170,900.35-57,742.96

Finding the Fourth Proportional to 113,864.12, 170,900.35 and 57,742.96

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Solution

The fourth proportional to 113,864.12, 170,900.35 and 57,742.96 is: 86,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,864.12 : 170,900.35 = 57,742.96 : x
  2. Step 2: Convert to fraction form
    113,864.12/170,900.35 = 57,742.96/x
  3. Step 3: Cross multiply
    113,864.12x = 170,900.35 × 57,742.96
  4. Step 4: Simplify right side
    113,864.12x = 9,868,292,074.04
  5. Step 5: Solve for x
    x = 9,868,292,074.04/113,864.12
  6. Step 6: Final answer
    x = 86,667.27

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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.