Home / 66,857.10-92,240.04-38,156.22

Finding the Fourth Proportional to 66,857.10, 92,240.04 and 38,156.22

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Solution

The fourth proportional to 66,857.10, 92,240.04 and 38,156.22 is: 52,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,857.10 : 92,240.04 = 38,156.22 : x
  2. Step 2: Convert to fraction form
    66,857.10/92,240.04 = 38,156.22/x
  3. Step 3: Cross multiply
    66,857.10x = 92,240.04 × 38,156.22
  4. Step 4: Simplify right side
    66,857.10x = 3,519,531,259.05
  5. Step 5: Solve for x
    x = 3,519,531,259.05/66,857.10
  6. Step 6: Final answer
    x = 52,642.60

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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.