Home / 93,174.09-128,562.69-54,945.66

Finding the Fourth Proportional to 93,174.09, 128,562.69 and 54,945.66

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Solution

The fourth proportional to 93,174.09, 128,562.69 and 54,945.66 is: 75,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,174.09 : 128,562.69 = 54,945.66 : x
  2. Step 2: Convert to fraction form
    93,174.09/128,562.69 = 54,945.66/x
  3. Step 3: Cross multiply
    93,174.09x = 128,562.69 × 54,945.66
  4. Step 4: Simplify right side
    93,174.09x = 7,063,961,853.43
  5. Step 5: Solve for x
    x = 7,063,961,853.43/93,174.09
  6. Step 6: Final answer
    x = 75,814.66

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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.