Home / 93,264.12-128,704.38-50,822.64

Finding the Fourth Proportional to 93,264.12, 128,704.38 and 50,822.64

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Solution

The fourth proportional to 93,264.12, 128,704.38 and 50,822.64 is: 70,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,264.12 : 128,704.38 = 50,822.64 : x
  2. Step 2: Convert to fraction form
    93,264.12/128,704.38 = 50,822.64/x
  3. Step 3: Cross multiply
    93,264.12x = 128,704.38 × 50,822.64
  4. Step 4: Simplify right side
    93,264.12x = 6,541,096,371.16
  5. Step 5: Solve for x
    x = 6,541,096,371.16/93,264.12
  6. Step 6: Final answer
    x = 70,135.19

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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.