Home / 117,380.49-175,770.20-64,731.57

Finding the Fourth Proportional to 117,380.49, 175,770.20 and 64,731.57

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Solution

The fourth proportional to 117,380.49, 175,770.20 and 64,731.57 is: 96,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,380.49 : 175,770.20 = 64,731.57 : x
  2. Step 2: Convert to fraction form
    117,380.49/175,770.20 = 64,731.57/x
  3. Step 3: Cross multiply
    117,380.49x = 175,770.20 × 64,731.57
  4. Step 4: Simplify right side
    117,380.49x = 11,377,880,681.56
  5. Step 5: Solve for x
    x = 11,377,880,681.56/117,380.49
  6. Step 6: Final answer
    x = 96,931.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.