Home / 55,979.03-77,245.98-33,314.36

Finding the Fourth Proportional to 55,979.03, 77,245.98 and 33,314.36

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Solution

The fourth proportional to 55,979.03, 77,245.98 and 33,314.36 is: 45,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.03 : 77,245.98 = 33,314.36 : x
  2. Step 2: Convert to fraction form
    55,979.03/77,245.98 = 33,314.36/x
  3. Step 3: Cross multiply
    55,979.03x = 77,245.98 × 33,314.36
  4. Step 4: Simplify right side
    55,979.03x = 2,573,400,309.62
  5. Step 5: Solve for x
    x = 2,573,400,309.62/55,979.03
  6. Step 6: Final answer
    x = 45,970.79

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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.