Home / 77,914.10-107,483.86-51,044.78

Finding the Fourth Proportional to 77,914.10, 107,483.86 and 51,044.78

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Solution

The fourth proportional to 77,914.10, 107,483.86 and 51,044.78 is: 70,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,914.10 : 107,483.86 = 51,044.78 : x
  2. Step 2: Convert to fraction form
    77,914.10/107,483.86 = 51,044.78/x
  3. Step 3: Cross multiply
    77,914.10x = 107,483.86 × 51,044.78
  4. Step 4: Simplify right side
    77,914.10x = 5,486,489,987.25
  5. Step 5: Solve for x
    x = 5,486,489,987.25/77,914.10
  6. Step 6: Final answer
    x = 70,417.16

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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.