Home / 99,300.55-136,903.08-82,241.95

Finding the Fourth Proportional to 99,300.55, 136,903.08 and 82,241.95

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Solution

The fourth proportional to 99,300.55, 136,903.08 and 82,241.95 is: 113,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,300.55 : 136,903.08 = 82,241.95 : x
  2. Step 2: Convert to fraction form
    99,300.55/136,903.08 = 82,241.95/x
  3. Step 3: Cross multiply
    99,300.55x = 136,903.08 × 82,241.95
  4. Step 4: Simplify right side
    99,300.55x = 11,259,176,260.21
  5. Step 5: Solve for x
    x = 11,259,176,260.21/99,300.55
  6. Step 6: Final answer
    x = 113,384.83

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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.