Home / 87,597.94-120,739.98-62,071.60

Finding the Fourth Proportional to 87,597.94, 120,739.98 and 62,071.60

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Solution

The fourth proportional to 87,597.94, 120,739.98 and 62,071.60 is: 85,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.94 : 120,739.98 = 62,071.60 : x
  2. Step 2: Convert to fraction form
    87,597.94/120,739.98 = 62,071.60/x
  3. Step 3: Cross multiply
    87,597.94x = 120,739.98 × 62,071.60
  4. Step 4: Simplify right side
    87,597.94x = 7,494,523,742.57
  5. Step 5: Solve for x
    x = 7,494,523,742.57/87,597.94
  6. Step 6: Final answer
    x = 85,555.94

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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.