Home / 66,980.88-92,434.56-36,769.20

Finding the Fourth Proportional to 66,980.88, 92,434.56 and 36,769.20

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Solution

The fourth proportional to 66,980.88, 92,434.56 and 36,769.20 is: 50,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,980.88 : 92,434.56 = 36,769.20 : x
  2. Step 2: Convert to fraction form
    66,980.88/92,434.56 = 36,769.20/x
  3. Step 3: Cross multiply
    66,980.88x = 92,434.56 × 36,769.20
  4. Step 4: Simplify right side
    66,980.88x = 3,398,744,823.55
  5. Step 5: Solve for x
    x = 3,398,744,823.55/66,980.88
  6. Step 6: Final answer
    x = 50,742.02

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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.