Home / 52,137.80-71,950.26-28,264.40

Finding the Fourth Proportional to 52,137.80, 71,950.26 and 28,264.40

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Solution

The fourth proportional to 52,137.80, 71,950.26 and 28,264.40 is: 39,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,137.80 : 71,950.26 = 28,264.40 : x
  2. Step 2: Convert to fraction form
    52,137.80/71,950.26 = 28,264.40/x
  3. Step 3: Cross multiply
    52,137.80x = 71,950.26 × 28,264.40
  4. Step 4: Simplify right side
    52,137.80x = 2,033,630,928.74
  5. Step 5: Solve for x
    x = 2,033,630,928.74/52,137.80
  6. Step 6: Final answer
    x = 39,004.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.