Home / 66,915.72-92,343.44-36,700.26

Finding the Fourth Proportional to 66,915.72, 92,343.44 and 36,700.26

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Solution

The fourth proportional to 66,915.72, 92,343.44 and 36,700.26 is: 50,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,915.72 : 92,343.44 = 36,700.26 : x
  2. Step 2: Convert to fraction form
    66,915.72/92,343.44 = 36,700.26/x
  3. Step 3: Cross multiply
    66,915.72x = 92,343.44 × 36,700.26
  4. Step 4: Simplify right side
    66,915.72x = 3,389,028,257.29
  5. Step 5: Solve for x
    x = 3,389,028,257.29/66,915.72
  6. Step 6: Final answer
    x = 50,646.22

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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.