Home / 67,174.85-92,714.55-38,513.77

Finding the Fourth Proportional to 67,174.85, 92,714.55 and 38,513.77

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Solution

The fourth proportional to 67,174.85, 92,714.55 and 38,513.77 is: 53,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.85 : 92,714.55 = 38,513.77 : x
  2. Step 2: Convert to fraction form
    67,174.85/92,714.55 = 38,513.77/x
  3. Step 3: Cross multiply
    67,174.85x = 92,714.55 × 38,513.77
  4. Step 4: Simplify right side
    67,174.85x = 3,570,786,390.78
  5. Step 5: Solve for x
    x = 3,570,786,390.78/67,174.85
  6. Step 6: Final answer
    x = 53,156.60

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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.