Home / 94,141.54-129,884.04-55,912.78

Finding the Fourth Proportional to 94,141.54, 129,884.04 and 55,912.78

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Solution

The fourth proportional to 94,141.54, 129,884.04 and 55,912.78 is: 77,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,141.54 : 129,884.04 = 55,912.78 : x
  2. Step 2: Convert to fraction form
    94,141.54/129,884.04 = 55,912.78/x
  3. Step 3: Cross multiply
    94,141.54x = 129,884.04 × 55,912.78
  4. Step 4: Simplify right side
    94,141.54x = 7,262,177,916.39
  5. Step 5: Solve for x
    x = 7,262,177,916.39/94,141.54
  6. Step 6: Final answer
    x = 77,141.06

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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.