Home / 99,495.46-137,299.14-54,173.31

Finding the Fourth Proportional to 99,495.46, 137,299.14 and 54,173.31

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Solution

The fourth proportional to 99,495.46, 137,299.14 and 54,173.31 is: 74,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,495.46 : 137,299.14 = 54,173.31 : x
  2. Step 2: Convert to fraction form
    99,495.46/137,299.14 = 54,173.31/x
  3. Step 3: Cross multiply
    99,495.46x = 137,299.14 × 54,173.31
  4. Step 4: Simplify right side
    99,495.46x = 7,437,948,873.95
  5. Step 5: Solve for x
    x = 7,437,948,873.95/99,495.46
  6. Step 6: Final answer
    x = 74,756.67

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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.