Home / 99,239.58-136,948.96-53,918.26

Finding the Fourth Proportional to 99,239.58, 136,948.96 and 53,918.26

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Solution

The fourth proportional to 99,239.58, 136,948.96 and 53,918.26 is: 74,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,239.58 : 136,948.96 = 53,918.26 : x
  2. Step 2: Convert to fraction form
    99,239.58/136,948.96 = 53,918.26/x
  3. Step 3: Cross multiply
    99,239.58x = 136,948.96 × 53,918.26
  4. Step 4: Simplify right side
    99,239.58x = 7,384,049,357.04
  5. Step 5: Solve for x
    x = 7,384,049,357.04/99,239.58
  6. Step 6: Final answer
    x = 74,406.29

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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.