Home / 67,118.08-92,615.28-53,684.44

Finding the Fourth Proportional to 67,118.08, 92,615.28 and 53,684.44

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Solution

The fourth proportional to 67,118.08, 92,615.28 and 53,684.44 is: 74,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.08 : 92,615.28 = 53,684.44 : x
  2. Step 2: Convert to fraction form
    67,118.08/92,615.28 = 53,684.44/x
  3. Step 3: Cross multiply
    67,118.08x = 92,615.28 × 53,684.44
  4. Step 4: Simplify right side
    67,118.08x = 4,971,999,442.24
  5. Step 5: Solve for x
    x = 4,971,999,442.24/67,118.08
  6. Step 6: Final answer
    x = 74,078.39

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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.