Home / 67,372.68-92,985.33-40,530.03

Finding the Fourth Proportional to 67,372.68, 92,985.33 and 40,530.03

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Solution

The fourth proportional to 67,372.68, 92,985.33 and 40,530.03 is: 55,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372.68 : 92,985.33 = 40,530.03 : x
  2. Step 2: Convert to fraction form
    67,372.68/92,985.33 = 40,530.03/x
  3. Step 3: Cross multiply
    67,372.68x = 92,985.33 × 40,530.03
  4. Step 4: Simplify right side
    67,372.68x = 3,768,698,214.46
  5. Step 5: Solve for x
    x = 3,768,698,214.46/67,372.68
  6. Step 6: Final answer
    x = 55,938.08

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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.