Home / 48,623.19-72,905.62-19,005.75

Finding the Fourth Proportional to 48,623.19, 72,905.62 and 19,005.75

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Solution

The fourth proportional to 48,623.19, 72,905.62 and 19,005.75 is: 28,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,623.19 : 72,905.62 = 19,005.75 : x
  2. Step 2: Convert to fraction form
    48,623.19/72,905.62 = 19,005.75/x
  3. Step 3: Cross multiply
    48,623.19x = 72,905.62 × 19,005.75
  4. Step 4: Simplify right side
    48,623.19x = 1,385,625,987.32
  5. Step 5: Solve for x
    x = 1,385,625,987.32/48,623.19
  6. Step 6: Final answer
    x = 28,497.23

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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.