Home / 67,281.48-92,844-40,408.02

Finding the Fourth Proportional to 67,281.48, 92,844 and 40,408.02

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Solution

The fourth proportional to 67,281.48, 92,844 and 40,408.02 is: 55,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,281.48 : 92,844 = 40,408.02 : x
  2. Step 2: Convert to fraction form
    67,281.48/92,844 = 40,408.02/x
  3. Step 3: Cross multiply
    67,281.48x = 92,844 × 40,408.02
  4. Step 4: Simplify right side
    67,281.48x = 3,751,642,208.88
  5. Step 5: Solve for x
    x = 3,751,642,208.88/67,281.48
  6. Step 6: Final answer
    x = 55,760.40

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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.