Home / 99,221.26-136,927.80-53,899.24

Finding the Fourth Proportional to 99,221.26, 136,927.80 and 53,899.24

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Solution

The fourth proportional to 99,221.26, 136,927.80 and 53,899.24 is: 74,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221.26 : 136,927.80 = 53,899.24 : x
  2. Step 2: Convert to fraction form
    99,221.26/136,927.80 = 53,899.24/x
  3. Step 3: Cross multiply
    99,221.26x = 136,927.80 × 53,899.24
  4. Step 4: Simplify right side
    99,221.26x = 7,380,304,354.87
  5. Step 5: Solve for x
    x = 7,380,304,354.87/99,221.26
  6. Step 6: Final answer
    x = 74,382.29

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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.