Home / 67,615.72-93,317.52-40,771.96

Finding the Fourth Proportional to 67,615.72, 93,317.52 and 40,771.96

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Solution

The fourth proportional to 67,615.72, 93,317.52 and 40,771.96 is: 56,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,615.72 : 93,317.52 = 40,771.96 : x
  2. Step 2: Convert to fraction form
    67,615.72/93,317.52 = 40,771.96/x
  3. Step 3: Cross multiply
    67,615.72x = 93,317.52 × 40,771.96
  4. Step 4: Simplify right side
    67,615.72x = 3,804,738,192.74
  5. Step 5: Solve for x
    x = 3,804,738,192.74/67,615.72
  6. Step 6: Final answer
    x = 56,270.02

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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.