Home / 99,050.85-136,475.82-67,164.39

Finding the Fourth Proportional to 99,050.85, 136,475.82 and 67,164.39

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Solution

The fourth proportional to 99,050.85, 136,475.82 and 67,164.39 is: 92,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,050.85 : 136,475.82 = 67,164.39 : x
  2. Step 2: Convert to fraction form
    99,050.85/136,475.82 = 67,164.39/x
  3. Step 3: Cross multiply
    99,050.85x = 136,475.82 × 67,164.39
  4. Step 4: Simplify right side
    99,050.85x = 9,166,315,200.05
  5. Step 5: Solve for x
    x = 9,166,315,200.05/99,050.85
  6. Step 6: Final answer
    x = 92,541.51

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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.