Home / 52,276.50-72,140.66-28,403.54

Finding the Fourth Proportional to 52,276.50, 72,140.66 and 28,403.54

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Solution

The fourth proportional to 52,276.50, 72,140.66 and 28,403.54 is: 39,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,276.50 : 72,140.66 = 28,403.54 : x
  2. Step 2: Convert to fraction form
    52,276.50/72,140.66 = 28,403.54/x
  3. Step 3: Cross multiply
    52,276.50x = 72,140.66 × 28,403.54
  4. Step 4: Simplify right side
    52,276.50x = 2,049,050,121.94
  5. Step 5: Solve for x
    x = 2,049,050,121.94/52,276.50
  6. Step 6: Final answer
    x = 39,196.39

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1.5x scale

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.