Home / 74,422.24-102,704.54-42,601.40

Finding the Fourth Proportional to 74,422.24, 102,704.54 and 42,601.40

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Solution

The fourth proportional to 74,422.24, 102,704.54 and 42,601.40 is: 58,790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,422.24 : 102,704.54 = 42,601.40 : x
  2. Step 2: Convert to fraction form
    74,422.24/102,704.54 = 42,601.40/x
  3. Step 3: Cross multiply
    74,422.24x = 102,704.54 × 42,601.40
  4. Step 4: Simplify right side
    74,422.24x = 4,375,357,190.36
  5. Step 5: Solve for x
    x = 4,375,357,190.36/74,422.24
  6. Step 6: Final answer
    x = 58,790.99

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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.