Home / 67,289.48-92,855.04-40,416.04

Finding the Fourth Proportional to 67,289.48, 92,855.04 and 40,416.04

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Solution

The fourth proportional to 67,289.48, 92,855.04 and 40,416.04 is: 55,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.48 : 92,855.04 = 40,416.04 : x
  2. Step 2: Convert to fraction form
    67,289.48/92,855.04 = 40,416.04/x
  3. Step 3: Cross multiply
    67,289.48x = 92,855.04 × 40,416.04
  4. Step 4: Simplify right side
    67,289.48x = 3,752,833,010.84
  5. Step 5: Solve for x
    x = 3,752,833,010.84/67,289.48
  6. Step 6: Final answer
    x = 55,771.47

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1.5x scale

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.