Home / 66,817.02-92,207.40-36,604.20

Finding the Fourth Proportional to 66,817.02, 92,207.40 and 36,604.20

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Solution

The fourth proportional to 66,817.02, 92,207.40 and 36,604.20 is: 50,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,817.02 : 92,207.40 = 36,604.20 : x
  2. Step 2: Convert to fraction form
    66,817.02/92,207.40 = 36,604.20/x
  3. Step 3: Cross multiply
    66,817.02x = 92,207.40 × 36,604.20
  4. Step 4: Simplify right side
    66,817.02x = 3,375,178,111.08
  5. Step 5: Solve for x
    x = 3,375,178,111.08/66,817.02
  6. Step 6: Final answer
    x = 50,513.75

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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.