Home / 79,276.41-118,780.89-39,242.01

Finding the Fourth Proportional to 79,276.41, 118,780.89 and 39,242.01

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Solution

The fourth proportional to 79,276.41, 118,780.89 and 39,242.01 is: 58,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,276.41 : 118,780.89 = 39,242.01 : x
  2. Step 2: Convert to fraction form
    79,276.41/118,780.89 = 39,242.01/x
  3. Step 3: Cross multiply
    79,276.41x = 118,780.89 × 39,242.01
  4. Step 4: Simplify right side
    79,276.41x = 4,661,200,873.19
  5. Step 5: Solve for x
    x = 4,661,200,873.19/79,276.41
  6. Step 6: Final answer
    x = 58,796.82

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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.