Home / 62,918.08-86,797.92-40,569.28

Finding the Fourth Proportional to 62,918.08, 86,797.92 and 40,569.28

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Solution

The fourth proportional to 62,918.08, 86,797.92 and 40,569.28 is: 55,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,918.08 : 86,797.92 = 40,569.28 : x
  2. Step 2: Convert to fraction form
    62,918.08/86,797.92 = 40,569.28/x
  3. Step 3: Cross multiply
    62,918.08x = 86,797.92 × 40,569.28
  4. Step 4: Simplify right side
    62,918.08x = 3,521,329,119.90
  5. Step 5: Solve for x
    x = 3,521,329,119.90/62,918.08
  6. Step 6: Final answer
    x = 55,966.89

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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.