Home / 99,127.72-136,796.36-53,805.70

Finding the Fourth Proportional to 99,127.72, 136,796.36 and 53,805.70

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Solution

The fourth proportional to 99,127.72, 136,796.36 and 53,805.70 is: 74,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,127.72 : 136,796.36 = 53,805.70 : x
  2. Step 2: Convert to fraction form
    99,127.72/136,796.36 = 53,805.70/x
  3. Step 3: Cross multiply
    99,127.72x = 136,796.36 × 53,805.70
  4. Step 4: Simplify right side
    99,127.72x = 7,360,423,907.25
  5. Step 5: Solve for x
    x = 7,360,423,907.25/99,127.72
  6. Step 6: Final answer
    x = 74,251.92

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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.