Home / 99,204.56-136,903.29-53,883.43

Finding the Fourth Proportional to 99,204.56, 136,903.29 and 53,883.43

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Solution

The fourth proportional to 99,204.56, 136,903.29 and 53,883.43 is: 74,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,204.56 : 136,903.29 = 53,883.43 : x
  2. Step 2: Convert to fraction form
    99,204.56/136,903.29 = 53,883.43/x
  3. Step 3: Cross multiply
    99,204.56x = 136,903.29 × 53,883.43
  4. Step 4: Simplify right side
    99,204.56x = 7,376,819,014.61
  5. Step 5: Solve for x
    x = 7,376,819,014.61/99,204.56
  6. Step 6: Final answer
    x = 74,359.67

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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.