Home / 74,823.62-103,257.20-40,832.38

Finding the Fourth Proportional to 74,823.62, 103,257.20 and 40,832.38

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Solution

The fourth proportional to 74,823.62, 103,257.20 and 40,832.38 is: 56,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.62 : 103,257.20 = 40,832.38 : x
  2. Step 2: Convert to fraction form
    74,823.62/103,257.20 = 40,832.38/x
  3. Step 3: Cross multiply
    74,823.62x = 103,257.20 × 40,832.38
  4. Step 4: Simplify right side
    74,823.62x = 4,216,237,072.07
  5. Step 5: Solve for x
    x = 4,216,237,072.07/74,823.62
  6. Step 6: Final answer
    x = 56,349.01

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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.