Home / 52,648.12-72,629.58-31,123.36

Finding the Fourth Proportional to 52,648.12, 72,629.58 and 31,123.36

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Solution

The fourth proportional to 52,648.12, 72,629.58 and 31,123.36 is: 42,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.12 : 72,629.58 = 31,123.36 : x
  2. Step 2: Convert to fraction form
    52,648.12/72,629.58 = 31,123.36/x
  3. Step 3: Cross multiply
    52,648.12x = 72,629.58 × 31,123.36
  4. Step 4: Simplify right side
    52,648.12x = 2,260,476,564.99
  5. Step 5: Solve for x
    x = 2,260,476,564.99/52,648.12
  6. Step 6: Final answer
    x = 42,935.56

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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.