Home / 109,714.40-164,557.01-43,136.65

Finding the Fourth Proportional to 109,714.40, 164,557.01 and 43,136.65

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Solution

The fourth proportional to 109,714.40, 164,557.01 and 43,136.65 is: 64,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,714.40 : 164,557.01 = 43,136.65 : x
  2. Step 2: Convert to fraction form
    109,714.40/164,557.01 = 43,136.65/x
  3. Step 3: Cross multiply
    109,714.40x = 164,557.01 × 43,136.65
  4. Step 4: Simplify right side
    109,714.40x = 7,098,437,322.63
  5. Step 5: Solve for x
    x = 7,098,437,322.63/109,714.40
  6. Step 6: Final answer
    x = 64,699.23

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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.