Home / 48,260.70-72,357.30-28,529.10

Finding the Fourth Proportional to 48,260.70, 72,357.30 and 28,529.10

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Solution

The fourth proportional to 48,260.70, 72,357.30 and 28,529.10 is: 42,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,260.70 : 72,357.30 = 28,529.10 : x
  2. Step 2: Convert to fraction form
    48,260.70/72,357.30 = 28,529.10/x
  3. Step 3: Cross multiply
    48,260.70x = 72,357.30 × 28,529.10
  4. Step 4: Simplify right side
    48,260.70x = 2,064,288,647.43
  5. Step 5: Solve for x
    x = 2,064,288,647.43/48,260.70
  6. Step 6: Final answer
    x = 42,773.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.