Home / 69,714.95-104,646.13-43,438.14

Finding the Fourth Proportional to 69,714.95, 104,646.13 and 43,438.14

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Solution

The fourth proportional to 69,714.95, 104,646.13 and 43,438.14 is: 65,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,714.95 : 104,646.13 = 43,438.14 : x
  2. Step 2: Convert to fraction form
    69,714.95/104,646.13 = 43,438.14/x
  3. Step 3: Cross multiply
    69,714.95x = 104,646.13 × 43,438.14
  4. Step 4: Simplify right side
    69,714.95x = 4,545,633,136.80
  5. Step 5: Solve for x
    x = 4,545,633,136.80/69,714.95
  6. Step 6: Final answer
    x = 65,203.14

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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.