Home / 99,208.54-136,908.96-53,887.06

Finding the Fourth Proportional to 99,208.54, 136,908.96 and 53,887.06

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Solution

The fourth proportional to 99,208.54, 136,908.96 and 53,887.06 is: 74,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208.54 : 136,908.96 = 53,887.06 : x
  2. Step 2: Convert to fraction form
    99,208.54/136,908.96 = 53,887.06/x
  3. Step 3: Cross multiply
    99,208.54x = 136,908.96 × 53,887.06
  4. Step 4: Simplify right side
    99,208.54x = 7,377,621,342.06
  5. Step 5: Solve for x
    x = 7,377,621,342.06/99,208.54
  6. Step 6: Final answer
    x = 74,364.78

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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.