Home / 93,173.09-128,561.31-54,944.66

Finding the Fourth Proportional to 93,173.09, 128,561.31 and 54,944.66

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Solution

The fourth proportional to 93,173.09, 128,561.31 and 54,944.66 is: 75,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,173.09 : 128,561.31 = 54,944.66 : x
  2. Step 2: Convert to fraction form
    93,173.09/128,561.31 = 54,944.66/x
  3. Step 3: Cross multiply
    93,173.09x = 128,561.31 × 54,944.66
  4. Step 4: Simplify right side
    93,173.09x = 7,063,757,788.51
  5. Step 5: Solve for x
    x = 7,063,757,788.51/93,173.09
  6. Step 6: Final answer
    x = 75,813.29

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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.