Home / 55,054.62-75,981.75-51,676.74

Finding the Fourth Proportional to 55,054.62, 75,981.75 and 51,676.74

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Solution

The fourth proportional to 55,054.62, 75,981.75 and 51,676.74 is: 71,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,054.62 : 75,981.75 = 51,676.74 : x
  2. Step 2: Convert to fraction form
    55,054.62/75,981.75 = 51,676.74/x
  3. Step 3: Cross multiply
    55,054.62x = 75,981.75 × 51,676.74
  4. Step 4: Simplify right side
    55,054.62x = 3,926,489,139.50
  5. Step 5: Solve for x
    x = 3,926,489,139.50/55,054.62
  6. Step 6: Final answer
    x = 71,319.88

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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.