Home / 48,115.64-72,188.04-21,813.32

Finding the Fourth Proportional to 48,115.64, 72,188.04 and 21,813.32

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Solution

The fourth proportional to 48,115.64, 72,188.04 and 21,813.32 is: 32,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.64 : 72,188.04 = 21,813.32 : x
  2. Step 2: Convert to fraction form
    48,115.64/72,188.04 = 21,813.32/x
  3. Step 3: Cross multiply
    48,115.64x = 72,188.04 × 21,813.32
  4. Step 4: Simplify right side
    48,115.64x = 1,574,660,816.69
  5. Step 5: Solve for x
    x = 1,574,660,816.69/48,115.64
  6. Step 6: Final answer
    x = 32,726.59

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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.