Home / 90,804.06-125,371.31-56,826.27

Finding the Fourth Proportional to 90,804.06, 125,371.31 and 56,826.27

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Solution

The fourth proportional to 90,804.06, 125,371.31 and 56,826.27 is: 78,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804.06 : 125,371.31 = 56,826.27 : x
  2. Step 2: Convert to fraction form
    90,804.06/125,371.31 = 56,826.27/x
  3. Step 3: Cross multiply
    90,804.06x = 125,371.31 × 56,826.27
  4. Step 4: Simplify right side
    90,804.06x = 7,124,383,628.18
  5. Step 5: Solve for x
    x = 7,124,383,628.18/90,804.06
  6. Step 6: Final answer
    x = 78,458.87

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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.