Home / 84,332.78-116,403.72-48,548.06

Finding the Fourth Proportional to 84,332.78, 116,403.72 and 48,548.06

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Solution

The fourth proportional to 84,332.78, 116,403.72 and 48,548.06 is: 67,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,332.78 : 116,403.72 = 48,548.06 : x
  2. Step 2: Convert to fraction form
    84,332.78/116,403.72 = 48,548.06/x
  3. Step 3: Cross multiply
    84,332.78x = 116,403.72 × 48,548.06
  4. Step 4: Simplify right side
    84,332.78x = 5,651,174,782.78
  5. Step 5: Solve for x
    x = 5,651,174,782.78/84,332.78
  6. Step 6: Final answer
    x = 67,010.42

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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.