Home / 79,127.93-118,653.62-29,231.53

Finding the Fourth Proportional to 79,127.93, 118,653.62 and 29,231.53

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Solution

The fourth proportional to 79,127.93, 118,653.62 and 29,231.53 is: 43,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127.93 : 118,653.62 = 29,231.53 : x
  2. Step 2: Convert to fraction form
    79,127.93/118,653.62 = 29,231.53/x
  3. Step 3: Cross multiply
    79,127.93x = 118,653.62 × 29,231.53
  4. Step 4: Simplify right side
    79,127.93x = 3,468,426,852.64
  5. Step 5: Solve for x
    x = 3,468,426,852.64/79,127.93
  6. Step 6: Final answer
    x = 43,833.16

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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.