Home / 90,050.62-124,263.64-49,764

Finding the Fourth Proportional to 90,050.62, 124,263.64 and 49,764

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Solution

The fourth proportional to 90,050.62, 124,263.64 and 49,764 is: 68,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,050.62 : 124,263.64 = 49,764 : x
  2. Step 2: Convert to fraction form
    90,050.62/124,263.64 = 49,764/x
  3. Step 3: Cross multiply
    90,050.62x = 124,263.64 × 49,764
  4. Step 4: Simplify right side
    90,050.62x = 6,183,855,780.96
  5. Step 5: Solve for x
    x = 6,183,855,780.96/90,050.62
  6. Step 6: Final answer
    x = 68,670.89

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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.