Home / 99,159.30-136,839.03-53,836.38

Finding the Fourth Proportional to 99,159.30, 136,839.03 and 53,836.38

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Solution

The fourth proportional to 99,159.30, 136,839.03 and 53,836.38 is: 74,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,159.30 : 136,839.03 = 53,836.38 : x
  2. Step 2: Convert to fraction form
    99,159.30/136,839.03 = 53,836.38/x
  3. Step 3: Cross multiply
    99,159.30x = 136,839.03 × 53,836.38
  4. Step 4: Simplify right side
    99,159.30x = 7,366,918,771.85
  5. Step 5: Solve for x
    x = 7,366,918,771.85/99,159.30
  6. Step 6: Final answer
    x = 74,293.77

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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.