Home / 113,821.20-170,835.08-57,700.35

Finding the Fourth Proportional to 113,821.20, 170,835.08 and 57,700.35

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Solution

The fourth proportional to 113,821.20, 170,835.08 and 57,700.35 is: 86,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.20 : 170,835.08 = 57,700.35 : x
  2. Step 2: Convert to fraction form
    113,821.20/170,835.08 = 57,700.35/x
  3. Step 3: Cross multiply
    113,821.20x = 170,835.08 × 57,700.35
  4. Step 4: Simplify right side
    113,821.20x = 9,857,243,619.78
  5. Step 5: Solve for x
    x = 9,857,243,619.78/113,821.20
  6. Step 6: Final answer
    x = 86,602.88

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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.