Home / 69,941.78-96,516.64-39,727.01

Finding the Fourth Proportional to 69,941.78, 96,516.64 and 39,727.01

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Solution

The fourth proportional to 69,941.78, 96,516.64 and 39,727.01 is: 54,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941.78 : 96,516.64 = 39,727.01 : x
  2. Step 2: Convert to fraction form
    69,941.78/96,516.64 = 39,727.01/x
  3. Step 3: Cross multiply
    69,941.78x = 96,516.64 × 39,727.01
  4. Step 4: Simplify right side
    69,941.78x = 3,834,317,158.76
  5. Step 5: Solve for x
    x = 3,834,317,158.76/69,941.78
  6. Step 6: Final answer
    x = 54,821.56

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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.