Home / 74,213.94-102,420.18-41,937.36

Finding the Fourth Proportional to 74,213.94, 102,420.18 and 41,937.36

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Solution

The fourth proportional to 74,213.94, 102,420.18 and 41,937.36 is: 57,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,213.94 : 102,420.18 = 41,937.36 : x
  2. Step 2: Convert to fraction form
    74,213.94/102,420.18 = 41,937.36/x
  3. Step 3: Cross multiply
    74,213.94x = 102,420.18 × 41,937.36
  4. Step 4: Simplify right side
    74,213.94x = 4,295,231,959.92
  5. Step 5: Solve for x
    x = 4,295,231,959.92/74,213.94
  6. Step 6: Final answer
    x = 57,876.35

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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.