Home / 77,553.61-107,007.38-45,273.58

Finding the Fourth Proportional to 77,553.61, 107,007.38 and 45,273.58

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Solution

The fourth proportional to 77,553.61, 107,007.38 and 45,273.58 is: 62,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.61 : 107,007.38 = 45,273.58 : x
  2. Step 2: Convert to fraction form
    77,553.61/107,007.38 = 45,273.58/x
  3. Step 3: Cross multiply
    77,553.61x = 107,007.38 × 45,273.58
  4. Step 4: Simplify right side
    77,553.61x = 4,844,606,593.35
  5. Step 5: Solve for x
    x = 4,844,606,593.35/77,553.61
  6. Step 6: Final answer
    x = 62,467.84

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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.