Home / 52,180.16-78,272.72-16,645.24

Finding the Fourth Proportional to 52,180.16, 78,272.72 and 16,645.24

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Solution

The fourth proportional to 52,180.16, 78,272.72 and 16,645.24 is: 24,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180.16 : 78,272.72 = 16,645.24 : x
  2. Step 2: Convert to fraction form
    52,180.16/78,272.72 = 16,645.24/x
  3. Step 3: Cross multiply
    52,180.16x = 78,272.72 × 16,645.24
  4. Step 4: Simplify right side
    52,180.16x = 1,302,868,209.85
  5. Step 5: Solve for x
    x = 1,302,868,209.85/52,180.16
  6. Step 6: Final answer
    x = 24,968.65

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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.