Home / 74,104.32-102,170.88-58,961.28

Finding the Fourth Proportional to 74,104.32, 102,170.88 and 58,961.28

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Solution

The fourth proportional to 74,104.32, 102,170.88 and 58,961.28 is: 81,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.32 : 102,170.88 = 58,961.28 : x
  2. Step 2: Convert to fraction form
    74,104.32/102,170.88 = 58,961.28/x
  3. Step 3: Cross multiply
    74,104.32x = 102,170.88 × 58,961.28
  4. Step 4: Simplify right side
    74,104.32x = 6,024,125,863.53
  5. Step 5: Solve for x
    x = 6,024,125,863.53/74,104.32
  6. Step 6: Final answer
    x = 81,292.51

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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.