Home / 99,126.10-136,796.48-53,805.97

Finding the Fourth Proportional to 99,126.10, 136,796.48 and 53,805.97

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Solution

The fourth proportional to 99,126.10, 136,796.48 and 53,805.97 is: 74,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,126.10 : 136,796.48 = 53,805.97 : x
  2. Step 2: Convert to fraction form
    99,126.10/136,796.48 = 53,805.97/x
  3. Step 3: Cross multiply
    99,126.10x = 136,796.48 × 53,805.97
  4. Step 4: Simplify right side
    99,126.10x = 7,360,467,298.99
  5. Step 5: Solve for x
    x = 7,360,467,298.99/99,126.10
  6. Step 6: Final answer
    x = 74,253.57

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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.