Home / 96,980.13-133,834.22-53,963.06

Finding the Fourth Proportional to 96,980.13, 133,834.22 and 53,963.06

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Solution

The fourth proportional to 96,980.13, 133,834.22 and 53,963.06 is: 74,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,980.13 : 133,834.22 = 53,963.06 : x
  2. Step 2: Convert to fraction form
    96,980.13/133,834.22 = 53,963.06/x
  3. Step 3: Cross multiply
    96,980.13x = 133,834.22 × 53,963.06
  4. Step 4: Simplify right side
    96,980.13x = 7,222,103,439.51
  5. Step 5: Solve for x
    x = 7,222,103,439.51/96,980.13
  6. Step 6: Final answer
    x = 74,469.93

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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.