Home / 66,629.52-91,954.20-37,958.16

Finding the Fourth Proportional to 66,629.52, 91,954.20 and 37,958.16

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Solution

The fourth proportional to 66,629.52, 91,954.20 and 37,958.16 is: 52,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629.52 : 91,954.20 = 37,958.16 : x
  2. Step 2: Convert to fraction form
    66,629.52/91,954.20 = 37,958.16/x
  3. Step 3: Cross multiply
    66,629.52x = 91,954.20 × 37,958.16
  4. Step 4: Simplify right side
    66,629.52x = 3,490,411,916.75
  5. Step 5: Solve for x
    x = 3,490,411,916.75/66,629.52
  6. Step 6: Final answer
    x = 52,385.37

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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.