Home / 72,724.21-109,051.64-25,333.47

Finding the Fourth Proportional to 72,724.21, 109,051.64 and 25,333.47

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Solution

The fourth proportional to 72,724.21, 109,051.64 and 25,333.47 is: 37,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,724.21 : 109,051.64 = 25,333.47 : x
  2. Step 2: Convert to fraction form
    72,724.21/109,051.64 = 25,333.47/x
  3. Step 3: Cross multiply
    72,724.21x = 109,051.64 × 25,333.47
  4. Step 4: Simplify right side
    72,724.21x = 2,762,656,786.35
  5. Step 5: Solve for x
    x = 2,762,656,786.35/72,724.21
  6. Step 6: Final answer
    x = 37,988.13

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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.