Home / 96,136.74-144,003.96-77,315.04

Finding the Fourth Proportional to 96,136.74, 144,003.96 and 77,315.04

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Solution

The fourth proportional to 96,136.74, 144,003.96 and 77,315.04 is: 115,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,136.74 : 144,003.96 = 77,315.04 : x
  2. Step 2: Convert to fraction form
    96,136.74/144,003.96 = 77,315.04/x
  3. Step 3: Cross multiply
    96,136.74x = 144,003.96 × 77,315.04
  4. Step 4: Simplify right side
    96,136.74x = 11,133,671,927.56
  5. Step 5: Solve for x
    x = 11,133,671,927.56/96,136.74
  6. Step 6: Final answer
    x = 115,810.79

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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.