Home / 74,787.12-103,203.18-41,253.12

Finding the Fourth Proportional to 74,787.12, 103,203.18 and 41,253.12

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Solution

The fourth proportional to 74,787.12, 103,203.18 and 41,253.12 is: 56,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,787.12 : 103,203.18 = 41,253.12 : x
  2. Step 2: Convert to fraction form
    74,787.12/103,203.18 = 41,253.12/x
  3. Step 3: Cross multiply
    74,787.12x = 103,203.18 × 41,253.12
  4. Step 4: Simplify right side
    74,787.12x = 4,257,453,168.92
  5. Step 5: Solve for x
    x = 4,257,453,168.92/74,787.12
  6. Step 6: Final answer
    x = 56,927.63

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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.