Home / 79,042.44-118,511.58-47,381.16

Finding the Fourth Proportional to 79,042.44, 118,511.58 and 47,381.16

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Solution

The fourth proportional to 79,042.44, 118,511.58 and 47,381.16 is: 71,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042.44 : 118,511.58 = 47,381.16 : x
  2. Step 2: Convert to fraction form
    79,042.44/118,511.58 = 47,381.16/x
  3. Step 3: Cross multiply
    79,042.44x = 118,511.58 × 47,381.16
  4. Step 4: Simplify right side
    79,042.44x = 5,615,216,133.83
  5. Step 5: Solve for x
    x = 5,615,216,133.83/79,042.44
  6. Step 6: Final answer
    x = 71,040.52

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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.