Home / 77,529.12-116,196.16-41,989.04

Finding the Fourth Proportional to 77,529.12, 116,196.16 and 41,989.04

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Solution

The fourth proportional to 77,529.12, 116,196.16 and 41,989.04 is: 62,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,529.12 : 116,196.16 = 41,989.04 : x
  2. Step 2: Convert to fraction form
    77,529.12/116,196.16 = 41,989.04/x
  3. Step 3: Cross multiply
    77,529.12x = 116,196.16 × 41,989.04
  4. Step 4: Simplify right side
    77,529.12x = 4,878,965,210.09
  5. Step 5: Solve for x
    x = 4,878,965,210.09/77,529.12
  6. Step 6: Final answer
    x = 62,930.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.