Home / 105,559.22-145,635.58-60,204.60

Finding the Fourth Proportional to 105,559.22, 145,635.58 and 60,204.60

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Solution

The fourth proportional to 105,559.22, 145,635.58 and 60,204.60 is: 83,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,559.22 : 145,635.58 = 60,204.60 : x
  2. Step 2: Convert to fraction form
    105,559.22/145,635.58 = 60,204.60/x
  3. Step 3: Cross multiply
    105,559.22x = 145,635.58 × 60,204.60
  4. Step 4: Simplify right side
    105,559.22x = 8,767,931,839.67
  5. Step 5: Solve for x
    x = 8,767,931,839.67/105,559.22
  6. Step 6: Final answer
    x = 83,061.73

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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.