Home / 67,174.92-92,714.64-38,513.84

Finding the Fourth Proportional to 67,174.92, 92,714.64 and 38,513.84

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Solution

The fourth proportional to 67,174.92, 92,714.64 and 38,513.84 is: 53,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.92 : 92,714.64 = 38,513.84 : x
  2. Step 2: Convert to fraction form
    67,174.92/92,714.64 = 38,513.84/x
  3. Step 3: Cross multiply
    67,174.92x = 92,714.64 × 38,513.84
  4. Step 4: Simplify right side
    67,174.92x = 3,570,796,347.04
  5. Step 5: Solve for x
    x = 3,570,796,347.04/67,174.92
  6. Step 6: Final answer
    x = 53,156.69

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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.