Home / 67,518.42-93,170.04-39,225.96

Finding the Fourth Proportional to 67,518.42, 93,170.04 and 39,225.96

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Solution

The fourth proportional to 67,518.42, 93,170.04 and 39,225.96 is: 54,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,518.42 : 93,170.04 = 39,225.96 : x
  2. Step 2: Convert to fraction form
    67,518.42/93,170.04 = 39,225.96/x
  3. Step 3: Cross multiply
    67,518.42x = 93,170.04 × 39,225.96
  4. Step 4: Simplify right side
    67,518.42x = 3,654,684,262.24
  5. Step 5: Solve for x
    x = 3,654,684,262.24/67,518.42
  6. Step 6: Final answer
    x = 54,128.70

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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.