Home / 81,755.84-122,534.56-58,025.92

Finding the Fourth Proportional to 81,755.84, 122,534.56 and 58,025.92

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Solution

The fourth proportional to 81,755.84, 122,534.56 and 58,025.92 is: 86,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,755.84 : 122,534.56 = 58,025.92 : x
  2. Step 2: Convert to fraction form
    81,755.84/122,534.56 = 58,025.92/x
  3. Step 3: Cross multiply
    81,755.84x = 122,534.56 × 58,025.92
  4. Step 4: Simplify right side
    81,755.84x = 7,110,180,575.80
  5. Step 5: Solve for x
    x = 7,110,180,575.80/81,755.84
  6. Step 6: Final answer
    x = 86,968.47

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1.5x scale

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.