Home / 84,507.02-116,698.71-54,344.72

Finding the Fourth Proportional to 84,507.02, 116,698.71 and 54,344.72

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Solution

The fourth proportional to 84,507.02, 116,698.71 and 54,344.72 is: 75,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,507.02 : 116,698.71 = 54,344.72 : x
  2. Step 2: Convert to fraction form
    84,507.02/116,698.71 = 54,344.72/x
  3. Step 3: Cross multiply
    84,507.02x = 116,698.71 × 54,344.72
  4. Step 4: Simplify right side
    84,507.02x = 6,341,957,864.09
  5. Step 5: Solve for x
    x = 6,341,957,864.09/84,507.02
  6. Step 6: Final answer
    x = 75,046.53

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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.