Home / 99,601.44-137,447.46-54,280.59

Finding the Fourth Proportional to 99,601.44, 137,447.46 and 54,280.59

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Solution

The fourth proportional to 99,601.44, 137,447.46 and 54,280.59 is: 74,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,601.44 : 137,447.46 = 54,280.59 : x
  2. Step 2: Convert to fraction form
    99,601.44/137,447.46 = 54,280.59/x
  3. Step 3: Cross multiply
    99,601.44x = 137,447.46 × 54,280.59
  4. Step 4: Simplify right side
    99,601.44x = 7,460,729,222.80
  5. Step 5: Solve for x
    x = 7,460,729,222.80/99,601.44
  6. Step 6: Final answer
    x = 74,905.84

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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.