Home / 48,298.20-72,809.40-45,086.94

Finding the Fourth Proportional to 48,298.20, 72,809.40 and 45,086.94

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Solution

The fourth proportional to 48,298.20, 72,809.40 and 45,086.94 is: 67,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,298.20 : 72,809.40 = 45,086.94 : x
  2. Step 2: Convert to fraction form
    48,298.20/72,809.40 = 45,086.94/x
  3. Step 3: Cross multiply
    48,298.20x = 72,809.40 × 45,086.94
  4. Step 4: Simplify right side
    48,298.20x = 3,282,753,049.24
  5. Step 5: Solve for x
    x = 3,282,753,049.24/48,298.20
  6. Step 6: Final answer
    x = 67,968.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.