Home / 66,921.02-92,349.42-36,706.07

Finding the Fourth Proportional to 66,921.02, 92,349.42 and 36,706.07

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Solution

The fourth proportional to 66,921.02, 92,349.42 and 36,706.07 is: 50,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,921.02 : 92,349.42 = 36,706.07 : x
  2. Step 2: Convert to fraction form
    66,921.02/92,349.42 = 36,706.07/x
  3. Step 3: Cross multiply
    66,921.02x = 92,349.42 × 36,706.07
  4. Step 4: Simplify right side
    66,921.02x = 3,389,784,368.21
  5. Step 5: Solve for x
    x = 3,389,784,368.21/66,921.02
  6. Step 6: Final answer
    x = 50,653.51

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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.