Home / 93,002.96-128,338.64-50,561.12

Finding the Fourth Proportional to 93,002.96, 128,338.64 and 50,561.12

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Solution

The fourth proportional to 93,002.96, 128,338.64 and 50,561.12 is: 69,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,002.96 : 128,338.64 = 50,561.12 : x
  2. Step 2: Convert to fraction form
    93,002.96/128,338.64 = 50,561.12/x
  3. Step 3: Cross multiply
    93,002.96x = 128,338.64 × 50,561.12
  4. Step 4: Simplify right side
    93,002.96x = 6,488,945,124.87
  5. Step 5: Solve for x
    x = 6,488,945,124.87/93,002.96
  6. Step 6: Final answer
    x = 69,771.38

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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.