Home / 55,108.78-76,051.70-33,599.77

Finding the Fourth Proportional to 55,108.78, 76,051.70 and 33,599.77

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Solution

The fourth proportional to 55,108.78, 76,051.70 and 33,599.77 is: 46,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.78 : 76,051.70 = 33,599.77 : x
  2. Step 2: Convert to fraction form
    55,108.78/76,051.70 = 33,599.77/x
  3. Step 3: Cross multiply
    55,108.78x = 76,051.70 × 33,599.77
  4. Step 4: Simplify right side
    55,108.78x = 2,555,319,628.11
  5. Step 5: Solve for x
    x = 2,555,319,628.11/55,108.78
  6. Step 6: Final answer
    x = 46,368.65

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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.