Home / 99,258.43-136,976.73-53,936.92

Finding the Fourth Proportional to 99,258.43, 136,976.73 and 53,936.92

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Solution

The fourth proportional to 99,258.43, 136,976.73 and 53,936.92 is: 74,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258.43 : 136,976.73 = 53,936.92 : x
  2. Step 2: Convert to fraction form
    99,258.43/136,976.73 = 53,936.92/x
  3. Step 3: Cross multiply
    99,258.43x = 136,976.73 × 53,936.92
  4. Step 4: Simplify right side
    99,258.43x = 7,388,102,927.87
  5. Step 5: Solve for x
    x = 7,388,102,927.87/99,258.43
  6. Step 6: Final answer
    x = 74,433.00

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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.