Home / 74,348.04-102,600.37-40,356.51

Finding the Fourth Proportional to 74,348.04, 102,600.37 and 40,356.51

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Solution

The fourth proportional to 74,348.04, 102,600.37 and 40,356.51 is: 55,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.04 : 102,600.37 = 40,356.51 : x
  2. Step 2: Convert to fraction form
    74,348.04/102,600.37 = 40,356.51/x
  3. Step 3: Cross multiply
    74,348.04x = 102,600.37 × 40,356.51
  4. Step 4: Simplify right side
    74,348.04x = 4,140,592,857.91
  5. Step 5: Solve for x
    x = 4,140,592,857.91/74,348.04
  6. Step 6: Final answer
    x = 55,692.02

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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.