Home / 77,660.14-116,460.65-27,730.94

Finding the Fourth Proportional to 77,660.14, 116,460.65 and 27,730.94

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Solution

The fourth proportional to 77,660.14, 116,460.65 and 27,730.94 is: 41,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,660.14 : 116,460.65 = 27,730.94 : x
  2. Step 2: Convert to fraction form
    77,660.14/116,460.65 = 27,730.94/x
  3. Step 3: Cross multiply
    77,660.14x = 116,460.65 × 27,730.94
  4. Step 4: Simplify right side
    77,660.14x = 3,229,563,297.51
  5. Step 5: Solve for x
    x = 3,229,563,297.51/77,660.14
  6. Step 6: Final answer
    x = 41,585.85

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1.5x scale

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.