Home / 90,704.41-125,124.55-61,622.37

Finding the Fourth Proportional to 90,704.41, 125,124.55 and 61,622.37

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Solution

The fourth proportional to 90,704.41, 125,124.55 and 61,622.37 is: 85,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,704.41 : 125,124.55 = 61,622.37 : x
  2. Step 2: Convert to fraction form
    90,704.41/125,124.55 = 61,622.37/x
  3. Step 3: Cross multiply
    90,704.41x = 125,124.55 × 61,622.37
  4. Step 4: Simplify right side
    90,704.41x = 7,710,471,162.13
  5. Step 5: Solve for x
    x = 7,710,471,162.13/90,704.41
  6. Step 6: Final answer
    x = 85,006.58

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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.