Home / 79,243.07-118,871.94-28,654.74

Finding the Fourth Proportional to 79,243.07, 118,871.94 and 28,654.74

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Solution

The fourth proportional to 79,243.07, 118,871.94 and 28,654.74 is: 42,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243.07 : 118,871.94 = 28,654.74 : x
  2. Step 2: Convert to fraction form
    79,243.07/118,871.94 = 28,654.74/x
  3. Step 3: Cross multiply
    79,243.07x = 118,871.94 × 28,654.74
  4. Step 4: Simplify right side
    79,243.07x = 3,406,244,534.00
  5. Step 5: Solve for x
    x = 3,406,244,534.00/79,243.07
  6. Step 6: Final answer
    x = 42,984.77

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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.