Home / 113,515.51-156,651.41-62,528.09

Finding the Fourth Proportional to 113,515.51, 156,651.41 and 62,528.09

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Solution

The fourth proportional to 113,515.51, 156,651.41 and 62,528.09 is: 86,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,515.51 : 156,651.41 = 62,528.09 : x
  2. Step 2: Convert to fraction form
    113,515.51/156,651.41 = 62,528.09/x
  3. Step 3: Cross multiply
    113,515.51x = 156,651.41 × 62,528.09
  4. Step 4: Simplify right side
    113,515.51x = 9,795,112,484.45
  5. Step 5: Solve for x
    x = 9,795,112,484.45/113,515.51
  6. Step 6: Final answer
    x = 86,288.76

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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.