Home / 90,826.74-125,289.09-54,518.52

Finding the Fourth Proportional to 90,826.74, 125,289.09 and 54,518.52

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Solution

The fourth proportional to 90,826.74, 125,289.09 and 54,518.52 is: 75,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,826.74 : 125,289.09 = 54,518.52 : x
  2. Step 2: Convert to fraction form
    90,826.74/125,289.09 = 54,518.52/x
  3. Step 3: Cross multiply
    90,826.74x = 125,289.09 × 54,518.52
  4. Step 4: Simplify right side
    90,826.74x = 6,830,575,758.95
  5. Step 5: Solve for x
    x = 6,830,575,758.95/90,826.74
  6. Step 6: Final answer
    x = 75,204.46

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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.