Home / 55,979.25-77,253.86-33,009.99

Finding the Fourth Proportional to 55,979.25, 77,253.86 and 33,009.99

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Solution

The fourth proportional to 55,979.25, 77,253.86 and 33,009.99 is: 45,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.25 : 77,253.86 = 33,009.99 : x
  2. Step 2: Convert to fraction form
    55,979.25/77,253.86 = 33,009.99/x
  3. Step 3: Cross multiply
    55,979.25x = 77,253.86 × 33,009.99
  4. Step 4: Simplify right side
    55,979.25x = 2,550,148,981.01
  5. Step 5: Solve for x
    x = 2,550,148,981.01/55,979.25
  6. Step 6: Final answer
    x = 45,555.25

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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.