Home / 48,911.25-67,497.78-28,768.98

Finding the Fourth Proportional to 48,911.25, 67,497.78 and 28,768.98

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Solution

The fourth proportional to 48,911.25, 67,497.78 and 28,768.98 is: 39,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,911.25 : 67,497.78 = 28,768.98 : x
  2. Step 2: Convert to fraction form
    48,911.25/67,497.78 = 28,768.98/x
  3. Step 3: Cross multiply
    48,911.25x = 67,497.78 × 28,768.98
  4. Step 4: Simplify right side
    48,911.25x = 1,941,842,282.86
  5. Step 5: Solve for x
    x = 1,941,842,282.86/48,911.25
  6. Step 6: Final answer
    x = 39,701.34

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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.