Home / 74,940.02-103,414.11-40,947.74

Finding the Fourth Proportional to 74,940.02, 103,414.11 and 40,947.74

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Solution

The fourth proportional to 74,940.02, 103,414.11 and 40,947.74 is: 56,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,940.02 : 103,414.11 = 40,947.74 : x
  2. Step 2: Convert to fraction form
    74,940.02/103,414.11 = 40,947.74/x
  3. Step 3: Cross multiply
    74,940.02x = 103,414.11 × 40,947.74
  4. Step 4: Simplify right side
    74,940.02x = 4,234,574,088.61
  5. Step 5: Solve for x
    x = 4,234,574,088.61/74,940.02
  6. Step 6: Final answer
    x = 56,506.18

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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.