Home / 74,436.84-102,682.38-45,746.14

Finding the Fourth Proportional to 74,436.84, 102,682.38 and 45,746.14

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Solution

The fourth proportional to 74,436.84, 102,682.38 and 45,746.14 is: 63,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.84 : 102,682.38 = 45,746.14 : x
  2. Step 2: Convert to fraction form
    74,436.84/102,682.38 = 45,746.14/x
  3. Step 3: Cross multiply
    74,436.84x = 102,682.38 × 45,746.14
  4. Step 4: Simplify right side
    74,436.84x = 4,697,322,531.01
  5. Step 5: Solve for x
    x = 4,697,322,531.01/74,436.84
  6. Step 6: Final answer
    x = 63,104.81

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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.