Home / 105,022.30-157,533.12-26,136.58

Finding the Fourth Proportional to 105,022.30, 157,533.12 and 26,136.58

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Solution

The fourth proportional to 105,022.30, 157,533.12 and 26,136.58 is: 39,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,022.30 : 157,533.12 = 26,136.58 : x
  2. Step 2: Convert to fraction form
    105,022.30/157,533.12 = 26,136.58/x
  3. Step 3: Cross multiply
    105,022.30x = 157,533.12 × 26,136.58
  4. Step 4: Simplify right side
    105,022.30x = 4,117,376,993.53
  5. Step 5: Solve for x
    x = 4,117,376,993.53/105,022.30
  6. Step 6: Final answer
    x = 39,204.79

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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.