Home / 172,549.08-258,823.54-47,890.04

Finding the Fourth Proportional to 172,549.08, 258,823.54 and 47,890.04

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Solution

The fourth proportional to 172,549.08, 258,823.54 and 47,890.04 is: 71,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,549.08 : 258,823.54 = 47,890.04 : x
  2. Step 2: Convert to fraction form
    172,549.08/258,823.54 = 47,890.04/x
  3. Step 3: Cross multiply
    172,549.08x = 258,823.54 × 47,890.04
  4. Step 4: Simplify right side
    172,549.08x = 12,395,069,683.54
  5. Step 5: Solve for x
    x = 12,395,069,683.54/172,549.08
  6. Step 6: Final answer
    x = 71,835.04

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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.