Home / 57,696.08-86,387.72-29,935.76

Finding the Fourth Proportional to 57,696.08, 86,387.72 and 29,935.76

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Solution

The fourth proportional to 57,696.08, 86,387.72 and 29,935.76 is: 44,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,696.08 : 86,387.72 = 29,935.76 : x
  2. Step 2: Convert to fraction form
    57,696.08/86,387.72 = 29,935.76/x
  3. Step 3: Cross multiply
    57,696.08x = 86,387.72 × 29,935.76
  4. Step 4: Simplify right side
    57,696.08x = 2,586,081,471.25
  5. Step 5: Solve for x
    x = 2,586,081,471.25/57,696.08
  6. Step 6: Final answer
    x = 44,822.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.