Home / 84,338.52-116,474.30-72,953.36

Finding the Fourth Proportional to 84,338.52, 116,474.30 and 72,953.36

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Solution

The fourth proportional to 84,338.52, 116,474.30 and 72,953.36 is: 100,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,338.52 : 116,474.30 = 72,953.36 : x
  2. Step 2: Convert to fraction form
    84,338.52/116,474.30 = 72,953.36/x
  3. Step 3: Cross multiply
    84,338.52x = 116,474.30 × 72,953.36
  4. Step 4: Simplify right side
    84,338.52x = 8,497,191,712.23
  5. Step 5: Solve for x
    x = 8,497,191,712.23/84,338.52
  6. Step 6: Final answer
    x = 100,751.02

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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.