Home / 52,618.68-72,612.56-28,745.48

Finding the Fourth Proportional to 52,618.68, 72,612.56 and 28,745.48

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Solution

The fourth proportional to 52,618.68, 72,612.56 and 28,745.48 is: 39,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,618.68 : 72,612.56 = 28,745.48 : x
  2. Step 2: Convert to fraction form
    52,618.68/72,612.56 = 28,745.48/x
  3. Step 3: Cross multiply
    52,618.68x = 72,612.56 × 28,745.48
  4. Step 4: Simplify right side
    52,618.68x = 2,087,282,891.23
  5. Step 5: Solve for x
    x = 2,087,282,891.23/52,618.68
  6. Step 6: Final answer
    x = 39,668.10

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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.