Home / 93,083.10-128,455.68-50,641.56

Finding the Fourth Proportional to 93,083.10, 128,455.68 and 50,641.56

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Solution

The fourth proportional to 93,083.10, 128,455.68 and 50,641.56 is: 69,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,083.10 : 128,455.68 = 50,641.56 : x
  2. Step 2: Convert to fraction form
    93,083.10/128,455.68 = 50,641.56/x
  3. Step 3: Cross multiply
    93,083.10x = 128,455.68 × 50,641.56
  4. Step 4: Simplify right side
    93,083.10x = 6,505,196,026.06
  5. Step 5: Solve for x
    x = 6,505,196,026.06/93,083.10
  6. Step 6: Final answer
    x = 69,885.90

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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.