Home / 74,939.12-103,414.76-40,946.86

Finding the Fourth Proportional to 74,939.12, 103,414.76 and 40,946.86

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Solution

The fourth proportional to 74,939.12, 103,414.76 and 40,946.86 is: 56,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.12 : 103,414.76 = 40,946.86 : x
  2. Step 2: Convert to fraction form
    74,939.12/103,414.76 = 40,946.86/x
  3. Step 3: Cross multiply
    74,939.12x = 103,414.76 × 40,946.86
  4. Step 4: Simplify right side
    74,939.12x = 4,234,509,699.65
  5. Step 5: Solve for x
    x = 4,234,509,699.65/74,939.12
  6. Step 6: Final answer
    x = 56,506.00

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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.