Home / 55,826.30-77,039.43-30,675.26

Finding the Fourth Proportional to 55,826.30, 77,039.43 and 30,675.26

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Solution

The fourth proportional to 55,826.30, 77,039.43 and 30,675.26 is: 42,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,826.30 : 77,039.43 = 30,675.26 : x
  2. Step 2: Convert to fraction form
    55,826.30/77,039.43 = 30,675.26/x
  3. Step 3: Cross multiply
    55,826.30x = 77,039.43 × 30,675.26
  4. Step 4: Simplify right side
    55,826.30x = 2,363,204,545.50
  5. Step 5: Solve for x
    x = 2,363,204,545.50/55,826.30
  6. Step 6: Final answer
    x = 42,331.38

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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.