Home / 74,490.14-102,695.78-50,575.30

Finding the Fourth Proportional to 74,490.14, 102,695.78 and 50,575.30

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Solution

The fourth proportional to 74,490.14, 102,695.78 and 50,575.30 is: 69,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490.14 : 102,695.78 = 50,575.30 : x
  2. Step 2: Convert to fraction form
    74,490.14/102,695.78 = 50,575.30/x
  3. Step 3: Cross multiply
    74,490.14x = 102,695.78 × 50,575.30
  4. Step 4: Simplify right side
    74,490.14x = 5,193,869,882.23
  5. Step 5: Solve for x
    x = 5,193,869,882.23/74,490.14
  6. Step 6: Final answer
    x = 69,725.60

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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.