Home / 83,985.22-115,891.19-51,714.67

Finding the Fourth Proportional to 83,985.22, 115,891.19 and 51,714.67

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Solution

The fourth proportional to 83,985.22, 115,891.19 and 51,714.67 is: 71,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,985.22 : 115,891.19 = 51,714.67 : x
  2. Step 2: Convert to fraction form
    83,985.22/115,891.19 = 51,714.67/x
  3. Step 3: Cross multiply
    83,985.22x = 115,891.19 × 51,714.67
  4. Step 4: Simplify right side
    83,985.22x = 5,993,274,646.76
  5. Step 5: Solve for x
    x = 5,993,274,646.76/83,985.22
  6. Step 6: Final answer
    x = 71,361.06

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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.