Home / 74,520.24-102,792.96-45,844.80

Finding the Fourth Proportional to 74,520.24, 102,792.96 and 45,844.80

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Solution

The fourth proportional to 74,520.24, 102,792.96 and 45,844.80 is: 63,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,520.24 : 102,792.96 = 45,844.80 : x
  2. Step 2: Convert to fraction form
    74,520.24/102,792.96 = 45,844.80/x
  3. Step 3: Cross multiply
    74,520.24x = 102,792.96 × 45,844.80
  4. Step 4: Simplify right side
    74,520.24x = 4,712,522,692.61
  5. Step 5: Solve for x
    x = 4,712,522,692.61/74,520.24
  6. Step 6: Final answer
    x = 63,238.16

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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.