Home / 90,590.62-125,010.86-50,306.94

Finding the Fourth Proportional to 90,590.62, 125,010.86 and 50,306.94

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Solution

The fourth proportional to 90,590.62, 125,010.86 and 50,306.94 is: 69,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,590.62 : 125,010.86 = 50,306.94 : x
  2. Step 2: Convert to fraction form
    90,590.62/125,010.86 = 50,306.94/x
  3. Step 3: Cross multiply
    90,590.62x = 125,010.86 × 50,306.94
  4. Step 4: Simplify right side
    90,590.62x = 6,288,913,833.37
  5. Step 5: Solve for x
    x = 6,288,913,833.37/90,590.62
  6. Step 6: Final answer
    x = 69,421.25

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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.