Home / 113,621.82-156,799.17-62,636.51

Finding the Fourth Proportional to 113,621.82, 156,799.17 and 62,636.51

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Solution

The fourth proportional to 113,621.82, 156,799.17 and 62,636.51 is: 86,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,621.82 : 156,799.17 = 62,636.51 : x
  2. Step 2: Convert to fraction form
    113,621.82/156,799.17 = 62,636.51/x
  3. Step 3: Cross multiply
    113,621.82x = 156,799.17 × 62,636.51
  4. Step 4: Simplify right side
    113,621.82x = 9,821,351,995.70
  5. Step 5: Solve for x
    x = 9,821,351,995.70/113,621.82
  6. Step 6: Final answer
    x = 86,438.96

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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.