Home / 99,127.75-136,794.13-53,805.82

Finding the Fourth Proportional to 99,127.75, 136,794.13 and 53,805.82

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Solution

The fourth proportional to 99,127.75, 136,794.13 and 53,805.82 is: 74,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,127.75 : 136,794.13 = 53,805.82 : x
  2. Step 2: Convert to fraction form
    99,127.75/136,794.13 = 53,805.82/x
  3. Step 3: Cross multiply
    99,127.75x = 136,794.13 × 53,805.82
  4. Step 4: Simplify right side
    99,127.75x = 7,360,320,335.84
  5. Step 5: Solve for x
    x = 7,360,320,335.84/99,127.75
  6. Step 6: Final answer
    x = 74,250.86

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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.