Home / 105,591.85-145,694.06-62,584.79

Finding the Fourth Proportional to 105,591.85, 145,694.06 and 62,584.79

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Solution

The fourth proportional to 105,591.85, 145,694.06 and 62,584.79 is: 86,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,591.85 : 145,694.06 = 62,584.79 : x
  2. Step 2: Convert to fraction form
    105,591.85/145,694.06 = 62,584.79/x
  3. Step 3: Cross multiply
    105,591.85x = 145,694.06 × 62,584.79
  4. Step 4: Simplify right side
    105,591.85x = 9,118,232,670.04
  5. Step 5: Solve for x
    x = 9,118,232,670.04/105,591.85
  6. Step 6: Final answer
    x = 86,353.57

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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.