Home / 90,624.42-125,062.58-50,342.61

Finding the Fourth Proportional to 90,624.42, 125,062.58 and 50,342.61

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Solution

The fourth proportional to 90,624.42, 125,062.58 and 50,342.61 is: 69,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,624.42 : 125,062.58 = 50,342.61 : x
  2. Step 2: Convert to fraction form
    90,624.42/125,062.58 = 50,342.61/x
  3. Step 3: Cross multiply
    90,624.42x = 125,062.58 × 50,342.61
  4. Step 4: Simplify right side
    90,624.42x = 6,295,977,285.38
  5. Step 5: Solve for x
    x = 6,295,977,285.38/90,624.42
  6. Step 6: Final answer
    x = 69,473.30

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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.