Home / 105,217.58-157,895.42-38,658.26

Finding the Fourth Proportional to 105,217.58, 157,895.42 and 38,658.26

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Solution

The fourth proportional to 105,217.58, 157,895.42 and 38,658.26 is: 58,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217.58 : 157,895.42 = 38,658.26 : x
  2. Step 2: Convert to fraction form
    105,217.58/157,895.42 = 38,658.26/x
  3. Step 3: Cross multiply
    105,217.58x = 157,895.42 × 38,658.26
  4. Step 4: Simplify right side
    105,217.58x = 6,103,961,216.40
  5. Step 5: Solve for x
    x = 6,103,961,216.40/105,217.58
  6. Step 6: Final answer
    x = 58,012.75

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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.