Home / 93,146.42-128,542.66-50,704.94

Finding the Fourth Proportional to 93,146.42, 128,542.66 and 50,704.94

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Solution

The fourth proportional to 93,146.42, 128,542.66 and 50,704.94 is: 69,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,146.42 : 128,542.66 = 50,704.94 : x
  2. Step 2: Convert to fraction form
    93,146.42/128,542.66 = 50,704.94/x
  3. Step 3: Cross multiply
    93,146.42x = 128,542.66 × 50,704.94
  4. Step 4: Simplify right side
    93,146.42x = 6,517,747,862.74
  5. Step 5: Solve for x
    x = 6,517,747,862.74/93,146.42
  6. Step 6: Final answer
    x = 69,973.14

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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.