Home / 67,076.66-92,554.89-38,776.88

Finding the Fourth Proportional to 67,076.66, 92,554.89 and 38,776.88

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Solution

The fourth proportional to 67,076.66, 92,554.89 and 38,776.88 is: 53,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.66 : 92,554.89 = 38,776.88 : x
  2. Step 2: Convert to fraction form
    67,076.66/92,554.89 = 38,776.88/x
  3. Step 3: Cross multiply
    67,076.66x = 92,554.89 × 38,776.88
  4. Step 4: Simplify right side
    67,076.66x = 3,588,989,400.17
  5. Step 5: Solve for x
    x = 3,588,989,400.17/67,076.66
  6. Step 6: Final answer
    x = 53,505.79

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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.