Home / 94,878.45-142,341.03-66,853.24

Finding the Fourth Proportional to 94,878.45, 142,341.03 and 66,853.24

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Solution

The fourth proportional to 94,878.45, 142,341.03 and 66,853.24 is: 100,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,878.45 : 142,341.03 = 66,853.24 : x
  2. Step 2: Convert to fraction form
    94,878.45/142,341.03 = 66,853.24/x
  3. Step 3: Cross multiply
    94,878.45x = 142,341.03 × 66,853.24
  4. Step 4: Simplify right side
    94,878.45x = 9,515,959,040.44
  5. Step 5: Solve for x
    x = 9,515,959,040.44/94,878.45
  6. Step 6: Final answer
    x = 100,296.32

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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.