Home / 74,754.24-103,160.10-40,762.64

Finding the Fourth Proportional to 74,754.24, 103,160.10 and 40,762.64

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Solution

The fourth proportional to 74,754.24, 103,160.10 and 40,762.64 is: 56,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754.24 : 103,160.10 = 40,762.64 : x
  2. Step 2: Convert to fraction form
    74,754.24/103,160.10 = 40,762.64/x
  3. Step 3: Cross multiply
    74,754.24x = 103,160.10 × 40,762.64
  4. Step 4: Simplify right side
    74,754.24x = 4,205,078,276.56
  5. Step 5: Solve for x
    x = 4,205,078,276.56/74,754.24
  6. Step 6: Final answer
    x = 56,252.04

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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.