Home / 105,645.49-158,467.02-25,683.91

Finding the Fourth Proportional to 105,645.49, 158,467.02 and 25,683.91

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Solution

The fourth proportional to 105,645.49, 158,467.02 and 25,683.91 is: 38,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,645.49 : 158,467.02 = 25,683.91 : x
  2. Step 2: Convert to fraction form
    105,645.49/158,467.02 = 25,683.91/x
  3. Step 3: Cross multiply
    105,645.49x = 158,467.02 × 25,683.91
  4. Step 4: Simplify right side
    105,645.49x = 4,070,052,187.17
  5. Step 5: Solve for x
    x = 4,070,052,187.17/105,645.49
  6. Step 6: Final answer
    x = 38,525.57

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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.