Home / 99,604.27-137,450.41-54,281.34

Finding the Fourth Proportional to 99,604.27, 137,450.41 and 54,281.34

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Solution

The fourth proportional to 99,604.27, 137,450.41 and 54,281.34 is: 74,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,604.27 : 137,450.41 = 54,281.34 : x
  2. Step 2: Convert to fraction form
    99,604.27/137,450.41 = 54,281.34/x
  3. Step 3: Cross multiply
    99,604.27x = 137,450.41 × 54,281.34
  4. Step 4: Simplify right side
    99,604.27x = 7,460,992,438.35
  5. Step 5: Solve for x
    x = 7,460,992,438.35/99,604.27
  6. Step 6: Final answer
    x = 74,906.35

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1.5x scale

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.