Home / 99,341.76-137,093.34-54,020.04

Finding the Fourth Proportional to 99,341.76, 137,093.34 and 54,020.04

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Solution

The fourth proportional to 99,341.76, 137,093.34 and 54,020.04 is: 74,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,341.76 : 137,093.34 = 54,020.04 : x
  2. Step 2: Convert to fraction form
    99,341.76/137,093.34 = 54,020.04/x
  3. Step 3: Cross multiply
    99,341.76x = 137,093.34 × 54,020.04
  4. Step 4: Simplify right side
    99,341.76x = 7,405,787,710.53
  5. Step 5: Solve for x
    x = 7,405,787,710.53/99,341.76
  6. Step 6: Final answer
    x = 74,548.59

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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.