Home / 48,669.61-67,157.96-28,521.87

Finding the Fourth Proportional to 48,669.61, 67,157.96 and 28,521.87

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Solution

The fourth proportional to 48,669.61, 67,157.96 and 28,521.87 is: 39,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,669.61 : 67,157.96 = 28,521.87 : x
  2. Step 2: Convert to fraction form
    48,669.61/67,157.96 = 28,521.87/x
  3. Step 3: Cross multiply
    48,669.61x = 67,157.96 × 28,521.87
  4. Step 4: Simplify right side
    48,669.61x = 1,915,470,604.59
  5. Step 5: Solve for x
    x = 1,915,470,604.59/48,669.61
  6. Step 6: Final answer
    x = 39,356.60

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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.