Home / 99,227.49-136,933.38-53,905.08

Finding the Fourth Proportional to 99,227.49, 136,933.38 and 53,905.08

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Solution

The fourth proportional to 99,227.49, 136,933.38 and 53,905.08 is: 74,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,227.49 : 136,933.38 = 53,905.08 : x
  2. Step 2: Convert to fraction form
    99,227.49/136,933.38 = 53,905.08/x
  3. Step 3: Cross multiply
    99,227.49x = 136,933.38 × 53,905.08
  4. Step 4: Simplify right side
    99,227.49x = 7,381,404,803.57
  5. Step 5: Solve for x
    x = 7,381,404,803.57/99,227.49
  6. Step 6: Final answer
    x = 74,388.71

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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.