Home / 102,466.48-141,403.47-57,144.52

Finding the Fourth Proportional to 102,466.48, 141,403.47 and 57,144.52

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Solution

The fourth proportional to 102,466.48, 141,403.47 and 57,144.52 is: 78,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,466.48 : 141,403.47 = 57,144.52 : x
  2. Step 2: Convert to fraction form
    102,466.48/141,403.47 = 57,144.52/x
  3. Step 3: Cross multiply
    102,466.48x = 141,403.47 × 57,144.52
  4. Step 4: Simplify right side
    102,466.48x = 8,080,433,419.48
  5. Step 5: Solve for x
    x = 8,080,433,419.48/102,466.48
  6. Step 6: Final answer
    x = 78,859.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.