Home / 74,926.50-103,400.58-40,936.42

Finding the Fourth Proportional to 74,926.50, 103,400.58 and 40,936.42

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Solution

The fourth proportional to 74,926.50, 103,400.58 and 40,936.42 is: 56,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,926.50 : 103,400.58 = 40,936.42 : x
  2. Step 2: Convert to fraction form
    74,926.50/103,400.58 = 40,936.42/x
  3. Step 3: Cross multiply
    74,926.50x = 103,400.58 × 40,936.42
  4. Step 4: Simplify right side
    74,926.50x = 4,232,849,571.12
  5. Step 5: Solve for x
    x = 4,232,849,571.12/74,926.50
  6. Step 6: Final answer
    x = 56,493.36

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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.