Home / 91,095.20-136,661.52-38,504.96

Finding the Fourth Proportional to 91,095.20, 136,661.52 and 38,504.96

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Solution

The fourth proportional to 91,095.20, 136,661.52 and 38,504.96 is: 57,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,095.20 : 136,661.52 = 38,504.96 : x
  2. Step 2: Convert to fraction form
    91,095.20/136,661.52 = 38,504.96/x
  3. Step 3: Cross multiply
    91,095.20x = 136,661.52 × 38,504.96
  4. Step 4: Simplify right side
    91,095.20x = 5,262,146,361.14
  5. Step 5: Solve for x
    x = 5,262,146,361.14/91,095.20
  6. Step 6: Final answer
    x = 57,765.35

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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.