Home / 99,258.48-136,976.13-53,936.28

Finding the Fourth Proportional to 99,258.48, 136,976.13 and 53,936.28

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Solution

The fourth proportional to 99,258.48, 136,976.13 and 53,936.28 is: 74,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258.48 : 136,976.13 = 53,936.28 : x
  2. Step 2: Convert to fraction form
    99,258.48/136,976.13 = 53,936.28/x
  3. Step 3: Cross multiply
    99,258.48x = 136,976.13 × 53,936.28
  4. Step 4: Simplify right side
    99,258.48x = 7,387,982,901.00
  5. Step 5: Solve for x
    x = 7,387,982,901.00/99,258.48
  6. Step 6: Final answer
    x = 74,431.76

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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.