Home / 91,448.84-137,403.30-58,183.76

Finding the Fourth Proportional to 91,448.84, 137,403.30 and 58,183.76

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Solution

The fourth proportional to 91,448.84, 137,403.30 and 58,183.76 is: 87,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,448.84 : 137,403.30 = 58,183.76 : x
  2. Step 2: Convert to fraction form
    91,448.84/137,403.30 = 58,183.76/x
  3. Step 3: Cross multiply
    91,448.84x = 137,403.30 × 58,183.76
  4. Step 4: Simplify right side
    91,448.84x = 7,994,640,630.41
  5. Step 5: Solve for x
    x = 7,994,640,630.41/91,448.84
  6. Step 6: Final answer
    x = 87,422.00

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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.