Home / 91,944.90-137,917.32-29,615.40

Finding the Fourth Proportional to 91,944.90, 137,917.32 and 29,615.40

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Solution

The fourth proportional to 91,944.90, 137,917.32 and 29,615.40 is: 44,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,944.90 : 137,917.32 = 29,615.40 : x
  2. Step 2: Convert to fraction form
    91,944.90/137,917.32 = 29,615.40/x
  3. Step 3: Cross multiply
    91,944.90x = 137,917.32 × 29,615.40
  4. Step 4: Simplify right side
    91,944.90x = 4,084,476,598.73
  5. Step 5: Solve for x
    x = 4,084,476,598.73/91,944.90
  6. Step 6: Final answer
    x = 44,423.09

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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.