Home / 74,840.20-103,280.98-41,306.12

Finding the Fourth Proportional to 74,840.20, 103,280.98 and 41,306.12

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Solution

The fourth proportional to 74,840.20, 103,280.98 and 41,306.12 is: 57,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,840.20 : 103,280.98 = 41,306.12 : x
  2. Step 2: Convert to fraction form
    74,840.20/103,280.98 = 41,306.12/x
  3. Step 3: Cross multiply
    74,840.20x = 103,280.98 × 41,306.12
  4. Step 4: Simplify right side
    74,840.20x = 4,266,136,553.60
  5. Step 5: Solve for x
    x = 4,266,136,553.60/74,840.20
  6. Step 6: Final answer
    x = 57,003.28

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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.