Home / 48,380.16-72,558.90-13,322.64

Finding the Fourth Proportional to 48,380.16, 72,558.90 and 13,322.64

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Solution

The fourth proportional to 48,380.16, 72,558.90 and 13,322.64 is: 19,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.16 : 72,558.90 = 13,322.64 : x
  2. Step 2: Convert to fraction form
    48,380.16/72,558.90 = 13,322.64/x
  3. Step 3: Cross multiply
    48,380.16x = 72,558.90 × 13,322.64
  4. Step 4: Simplify right side
    48,380.16x = 966,676,103.50
  5. Step 5: Solve for x
    x = 966,676,103.50/48,380.16
  6. Step 6: Final answer
    x = 19,980.84

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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.