Home / 74,150.58-102,329.01-40,614.42

Finding the Fourth Proportional to 74,150.58, 102,329.01 and 40,614.42

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Solution

The fourth proportional to 74,150.58, 102,329.01 and 40,614.42 is: 56,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.58 : 102,329.01 = 40,614.42 : x
  2. Step 2: Convert to fraction form
    74,150.58/102,329.01 = 40,614.42/x
  3. Step 3: Cross multiply
    74,150.58x = 102,329.01 × 40,614.42
  4. Step 4: Simplify right side
    74,150.58x = 4,156,033,390.32
  5. Step 5: Solve for x
    x = 4,156,033,390.32/74,150.58
  6. Step 6: Final answer
    x = 56,048.56

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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.