Home / 94,641.21-141,981.40-38,481.32

Finding the Fourth Proportional to 94,641.21, 141,981.40 and 38,481.32

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Solution

The fourth proportional to 94,641.21, 141,981.40 and 38,481.32 is: 57,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,641.21 : 141,981.40 = 38,481.32 : x
  2. Step 2: Convert to fraction form
    94,641.21/141,981.40 = 38,481.32/x
  3. Step 3: Cross multiply
    94,641.21x = 141,981.40 × 38,481.32
  4. Step 4: Simplify right side
    94,641.21x = 5,463,631,687.45
  5. Step 5: Solve for x
    x = 5,463,631,687.45/94,641.21
  6. Step 6: Final answer
    x = 57,729.95

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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.