Home / 93,477.24-128,961.70-57,604.77

Finding the Fourth Proportional to 93,477.24, 128,961.70 and 57,604.77

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Solution

The fourth proportional to 93,477.24, 128,961.70 and 57,604.77 is: 79,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,477.24 : 128,961.70 = 57,604.77 : x
  2. Step 2: Convert to fraction form
    93,477.24/128,961.70 = 57,604.77/x
  3. Step 3: Cross multiply
    93,477.24x = 128,961.70 × 57,604.77
  4. Step 4: Simplify right side
    93,477.24x = 7,428,809,067.31
  5. Step 5: Solve for x
    x = 7,428,809,067.31/93,477.24
  6. Step 6: Final answer
    x = 79,471.85

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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.