Home / 84,175.71-116,160.78-45,936.01

Finding the Fourth Proportional to 84,175.71, 116,160.78 and 45,936.01

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Solution

The fourth proportional to 84,175.71, 116,160.78 and 45,936.01 is: 63,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,175.71 : 116,160.78 = 45,936.01 : x
  2. Step 2: Convert to fraction form
    84,175.71/116,160.78 = 45,936.01/x
  3. Step 3: Cross multiply
    84,175.71x = 116,160.78 × 45,936.01
  4. Step 4: Simplify right side
    84,175.71x = 5,335,963,069.15
  5. Step 5: Solve for x
    x = 5,335,963,069.15/84,175.71
  6. Step 6: Final answer
    x = 63,390.77

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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.