Home / 83,935.92-115,839.93-62,678.28

Finding the Fourth Proportional to 83,935.92, 115,839.93 and 62,678.28

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Solution

The fourth proportional to 83,935.92, 115,839.93 and 62,678.28 is: 86,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,935.92 : 115,839.93 = 62,678.28 : x
  2. Step 2: Convert to fraction form
    83,935.92/115,839.93 = 62,678.28/x
  3. Step 3: Cross multiply
    83,935.92x = 115,839.93 × 62,678.28
  4. Step 4: Simplify right side
    83,935.92x = 7,260,647,567.72
  5. Step 5: Solve for x
    x = 7,260,647,567.72/83,935.92
  6. Step 6: Final answer
    x = 86,502.27

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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.