Home / 74,137.87-102,335.21-45,066.14

Finding the Fourth Proportional to 74,137.87, 102,335.21 and 45,066.14

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Solution

The fourth proportional to 74,137.87, 102,335.21 and 45,066.14 is: 62,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,137.87 : 102,335.21 = 45,066.14 : x
  2. Step 2: Convert to fraction form
    74,137.87/102,335.21 = 45,066.14/x
  3. Step 3: Cross multiply
    74,137.87x = 102,335.21 × 45,066.14
  4. Step 4: Simplify right side
    74,137.87x = 4,611,852,970.03
  5. Step 5: Solve for x
    x = 4,611,852,970.03/74,137.87
  6. Step 6: Final answer
    x = 62,206.44

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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.