Home / 99,094.10-136,710.92-56,629.85

Finding the Fourth Proportional to 99,094.10, 136,710.92 and 56,629.85

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Solution

The fourth proportional to 99,094.10, 136,710.92 and 56,629.85 is: 78,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,094.10 : 136,710.92 = 56,629.85 : x
  2. Step 2: Convert to fraction form
    99,094.10/136,710.92 = 56,629.85/x
  3. Step 3: Cross multiply
    99,094.10x = 136,710.92 × 56,629.85
  4. Step 4: Simplify right side
    99,094.10x = 7,741,918,350.98
  5. Step 5: Solve for x
    x = 7,741,918,350.98/99,094.10
  6. Step 6: Final answer
    x = 78,126.94

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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.