Home / 99,092.97-136,709.37-56,628.72

Finding the Fourth Proportional to 99,092.97, 136,709.37 and 56,628.72

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Solution

The fourth proportional to 99,092.97, 136,709.37 and 56,628.72 is: 78,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,092.97 : 136,709.37 = 56,628.72 : x
  2. Step 2: Convert to fraction form
    99,092.97/136,709.37 = 56,628.72/x
  3. Step 3: Cross multiply
    99,092.97x = 136,709.37 × 56,628.72
  4. Step 4: Simplify right side
    99,092.97x = 7,741,676,635.11
  5. Step 5: Solve for x
    x = 7,741,676,635.11/99,092.97
  6. Step 6: Final answer
    x = 78,125.39

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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.