Home / 117,703.44-162,365.04-72,349.92

Finding the Fourth Proportional to 117,703.44, 162,365.04 and 72,349.92

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Solution

The fourth proportional to 117,703.44, 162,365.04 and 72,349.92 is: 99,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,703.44 : 162,365.04 = 72,349.92 : x
  2. Step 2: Convert to fraction form
    117,703.44/162,365.04 = 72,349.92/x
  3. Step 3: Cross multiply
    117,703.44x = 162,365.04 × 72,349.92
  4. Step 4: Simplify right side
    117,703.44x = 11,747,097,654.80
  5. Step 5: Solve for x
    x = 11,747,097,654.80/117,703.44
  6. Step 6: Final answer
    x = 99,802.50

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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.